15100255221200 has 120 divisors (see below), whose sum is σ = 38757718439520. Its totient is φ = 5636795788800.

The previous prime is 15100255221173. The next prime is 15100255221209. The reversal of 15100255221200 is 212255200151.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15100255221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15100255221209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14318231 + ... + 15336630.

It is an arithmetic number, because the mean of its divisors is an integer number (322980986996).

Almost surely, 2^{15100255221200} is an apocalyptic number.

15100255221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15100255221200 is an abundant number, since it is smaller than the sum of its proper divisors (23657463218320).

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

15100255221200 is a wasteful number, since it uses less digits than its factorization.

15100255221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29654965 (or 29654954 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 15100255221200 in words is "fifteen trillion, one hundred billion, two hundred fifty-five million, two hundred twenty-one thousand, two hundred".