15500145500052 has 96 divisors (see below), whose sum is σ = 36896772326400. Its totient is φ = 5063798261760.

The previous prime is 15500145500051. The next prime is 15500145500089. The reversal of 15500145500052 is 25000554100551.

15500145500052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15500145499986 and 15500145500022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15500145500051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44883802 + ... + 45227822.

It is an arithmetic number, because the mean of its divisors is an integer number (384341378400).

Almost surely, 2^{15500145500052} is an apocalyptic number.

15500145500052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15500145500052 is an abundant number, since it is smaller than the sum of its proper divisors (21396626826348).

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

15500145500052 is a wasteful number, since it uses less digits than its factorization.

15500145500052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344513 (or 344511 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 15500145500052 in words is "fifteen trillion, five hundred billion, one hundred forty-five million, five hundred thousand, fifty-two".