22751987553072 has 30 divisors (see below), whose sum is σ = 63673965166292. Its totient is φ = 7583995850976.

The previous prime is 22751987553047. The next prime is 22751987553079. The reversal of 22751987553072 is 27035578915722.

22751987553072 is a `hidden beast` number, since 2 + 2 + 7 + 5 + 1 + 9 + 8 + 7 + 553 + 0 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (22751987553079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78999956638 + ... + 78999956925.

Almost surely, 2^{22751987553072} is an apocalyptic number.

It is an amenable number.

22751987553072 is an abundant number, since it is smaller than the sum of its proper divisors (40921977613220).

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

22751987553072 is a wasteful number, since it uses less digits than its factorization.

22751987553072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157999913577 (or 157999913568 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 63.

The spelling of 22751987553072 in words is "twenty-two trillion, seven hundred fifty-one billion, nine hundred eighty-seven million, five hundred fifty-three thousand, seventy-two".