15243942997080 has 1536 divisors, whose sum is σ = 65503730073600. Its totient is φ = 2989865779200.

The previous prime is 15243942997079. The next prime is 15243942997093. The reversal of 15243942997080 is 8079924934251.

15243942997080 is a `hidden beast` number, since 1 + 5 + 2 + 43 + 9 + 429 + 97 + 0 + 80 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 15243942996999 and 15243942997017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 4819455579 + ... + 4819458741.

It is an arithmetic number, because the mean of its divisors is an integer number (42645657600).

Almost surely, 2^{15243942997080} is an apocalyptic number.

15243942997080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15243942997080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32751865036800).

15243942997080 is an abundant number, since it is smaller than the sum of its proper divisors (50259787076520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15243942997080 is a wasteful number, since it uses less digits than its factorization.

15243942997080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445 (or 3438 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 15243942997080 in words is "fifteen trillion, two hundred forty-three billion, nine hundred forty-two million, nine hundred ninety-seven thousand, eighty".