252645510511 has 2 divisors, whose sum is σ = 252645510512. Its totient is φ = 252645510510.

The previous prime is 252645510493. The next prime is 252645510529. The reversal of 252645510511 is 115015546252.

It is a balanced prime because it is at equal distance from previous prime (252645510493) and next prime (252645510529).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252645510511 is a prime.

It is a super-2 number, since 2×252645510511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252645510581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126322755255 + 126322755256.

It is an arithmetic number, because the mean of its divisors is an integer number (126322755256).

Almost surely, 2^252645510511 is an apocalyptic number.

252645510511 is a deficient number, since it is larger than the sum of its proper divisors (1).

252645510511 is an equidigital number, since it uses as much as digits as its factorization.

252645510511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 252645510511 in words is "two hundred fifty-two billion, six hundred forty-five million, five hundred ten thousand, five hundred eleven".