15556260552000 has 224 divisors, whose sum is σ = 58704883311360. Its totient is φ = 3555716659200.

The previous prime is 15556260551999. The next prime is 15556260552013. The reversal of 15556260552000 is 25506265551.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×15556260552000² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46130395 + ... + 46466394.

Almost surely, 2^{15556260552000} is an apocalyptic number.

15556260552000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15556260552000 is an abundant number, since it is smaller than the sum of its proper divisors (43148622759360).

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

15556260552000 is an equidigital number, since it uses as much as digits as its factorization.

15556260552000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92596826 (or 92596806 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 15556260552000 in words is "fifteen trillion, five hundred fifty-six billion, two hundred sixty million, five hundred fifty-two thousand".