15145255434120 has 128 divisors (see below), whose sum is σ = 52461916012800. Its totient is φ = 3426084274176.

The previous prime is 15145255434091. The next prime is 15145255434151. The reversal of 15145255434120 is 2143455254151.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 92857005 + ... + 93019964.

It is an arithmetic number, because the mean of its divisors is an integer number (409858718850).

Almost surely, 2^{15145255434120} is an apocalyptic number.

15145255434120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15145255434120 is an abundant number, since it is smaller than the sum of its proper divisors (37316660578680).

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

15145255434120 is a wasteful number, since it uses less digits than its factorization.

15145255434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185877087 (or 185877083 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 15145255434120 in words is "fifteen trillion, one hundred forty-five billion, two hundred fifty-five million, four hundred thirty-four thousand, one hundred twenty".