15255512800 has 72 divisors (see below), whose sum is σ = 40628227752. Its totient is φ = 5547456000.

The previous prime is 15255512791. The next prime is 15255512801. The reversal of 15255512800 is 821555251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15255512801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 857991 + ... + 875590.

It is an arithmetic number, because the mean of its divisors is an integer number (564280941).

Almost surely, 2^15255512800 is an apocalyptic number.

15255512800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15255512800 is an abundant number, since it is smaller than the sum of its proper divisors (25372714952).

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

15255512800 is a wasteful number, since it uses less digits than its factorization.

15255512800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733612 (or 1733599 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 15255512800 in words is "fifteen billion, two hundred fifty-five million, five hundred twelve thousand, eight hundred".