18522058520951 has 2 divisors, whose sum is σ = 18522058520952. Its totient is φ = 18522058520950.

The previous prime is 18522058520863. The next prime is 18522058520963. The reversal of 18522058520951 is 15902585022581.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18522058520951 - 2²² = 18522054326647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18522058520893 and 18522058520902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18522058220951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9261029260475 + 9261029260476.

It is an arithmetic number, because the mean of its divisors is an integer number (9261029260476).

Almost surely, 2^{18522058520951} is an apocalyptic number.

18522058520951 is a deficient number, since it is larger than the sum of its proper divisors (1).

18522058520951 is an equidigital number, since it uses as much as digits as its factorization.

18522058520951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880000, while the sum is 53.

The spelling of 18522058520951 in words is "eighteen trillion, five hundred twenty-two billion, fifty-eight million, five hundred twenty thousand, nine hundred fifty-one".