22515665113027 has 2 divisors, whose sum is σ = 22515665113028. Its totient is φ = 22515665113026.

The previous prime is 22515665112977. The next prime is 22515665113171. The reversal of 22515665113027 is 72031156651522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22515665113027 is a prime.

It is a super-2 number, since 2×22515665113027² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22515665113927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257832556513 + 11257832556514.

It is an arithmetic number, because the mean of its divisors is an integer number (11257832556514).

Almost surely, 2^{22515665113027} is an apocalyptic number.

22515665113027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22515665113027 is an equidigital number, since it uses as much as digits as its factorization.

22515665113027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 22515665113027 in words is "twenty-two trillion, five hundred fifteen billion, six hundred sixty-five million, one hundred thirteen thousand, twenty-seven".