15000537945552 has 80 divisors (see below), whose sum is σ = 39881791443648. Its totient is φ = 4855665346560.

The previous prime is 15000537945521. The next prime is 15000537945581. The reversal of 15000537945552 is 25554973500051.

15000537945552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15000537945552² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15000537945495 and 15000537945504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20647849 + ... + 21361992.

Almost surely, 2^{15000537945552} is an apocalyptic number.

15000537945552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15000537945552 is an abundant number, since it is smaller than the sum of its proper divisors (24881253498096).

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

15000537945552 is a wasteful number, since it uses less digits than its factorization.

15000537945552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42010068 (or 42010062 counting only the distinct ones).

The product of its (nonzero) digits is 4725000, while the sum is 51.

The spelling of 15000537945552 in words is "fifteen trillion, five hundred thirty-seven million, nine hundred forty-five thousand, five hundred fifty-two".