22745500111520 has 48 divisors (see below), whose sum is σ = 53781745090248. Its totient is φ = 9090496158720.

The previous prime is 22745500111507. The next prime is 22745500111531. The reversal of 22745500111520 is 2511100554722.

It can be written as a sum of positive squares in 4 ways, for example, as 22623226806544 + 122273304976 = 4756388^2 + 349676^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59997059 + ... + 60374978.

Almost surely, 2^{22745500111520} is an apocalyptic number.

22745500111520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22745500111520 is an abundant number, since it is smaller than the sum of its proper divisors (31036244978728).

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

22745500111520 is a wasteful number, since it uses less digits than its factorization.

22745500111520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120373233 (or 120373225 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

The spelling of 22745500111520 in words is "twenty-two trillion, seven hundred forty-five billion, five hundred million, one hundred eleven thousand, five hundred twenty".