22115525507 has 2 divisors, whose sum is σ = 22115525508. Its totient is φ = 22115525506.

The previous prime is 22115525489. The next prime is 22115525567. The reversal of 22115525507 is 70552551122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22115525507 is a prime.

It is not a weakly prime, because it can be changed into another prime (22115525567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11057762753 + 11057762754.

It is an arithmetic number, because the mean of its divisors is an integer number (11057762754).

Almost surely, 2^22115525507 is an apocalyptic number.

22115525507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22115525507 is an equidigital number, since it uses as much as digits as its factorization.

22115525507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35000, while the sum is 35.

The spelling of 22115525507 in words is "twenty-two billion, one hundred fifteen million, five hundred twenty-five thousand, five hundred seven".