15243741797550 has 48 divisors (see below), whose sum is σ = 43205119612032. Its totient is φ = 3484283839200.

The previous prime is 15243741797539. The next prime is 15243741797551. The reversal of 15243741797550 is 5579714734251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15243741797551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7258923616 + ... + 7258925715.

It is an arithmetic number, because the mean of its divisors is an integer number (900106658584).

Almost surely, 2^{15243741797550} is an apocalyptic number.

15243741797550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15243741797550 is an abundant number, since it is smaller than the sum of its proper divisors (27961377814482).

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

15243741797550 is a wasteful number, since it uses less digits than its factorization.

15243741797550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14517849353 (or 14517849348 counting only the distinct ones).

The product of its (nonzero) digits is 37044000, while the sum is 60.

The spelling of 15243741797550 in words is "fifteen trillion, two hundred forty-three billion, seven hundred forty-one million, seven hundred ninety-seven thousand, five hundred fifty".