253704818111 has 2 divisors, whose sum is σ = 253704818112. Its totient is φ = 253704818110.

The previous prime is 253704818083. The next prime is 253704818137. The reversal of 253704818111 is 111818407352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253704818111 is a prime.

It is a super-2 number, since 2×253704818111² (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 (253704811111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126852409055 + 126852409056.

It is an arithmetic number, because the mean of its divisors is an integer number (126852409056).

Almost surely, 2^253704818111 is an apocalyptic number.

253704818111 is a deficient number, since it is larger than the sum of its proper divisors (1).

253704818111 is an equidigital number, since it uses as much as digits as its factorization.

253704818111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 253704818111 in words is "two hundred fifty-three billion, seven hundred four million, eight hundred eighteen thousand, one hundred eleven".