253018062811 has 2 divisors, whose sum is σ = 253018062812. Its totient is φ = 253018062810.

The previous prime is 253018062809. The next prime is 253018062839. The reversal of 253018062811 is 118260810352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253018062811 - 2¹ = 253018062809 is a prime.

It is a super-2 number, since 2×253018062811² (a number of 24 digits) contains 22 as substring.

Together with 253018062809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (253018062611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126509031405 + 126509031406.

It is an arithmetic number, because the mean of its divisors is an integer number (126509031406).

Almost surely, 2^253018062811 is an apocalyptic number.

253018062811 is a deficient number, since it is larger than the sum of its proper divisors (1).

253018062811 is an equidigital number, since it uses as much as digits as its factorization.

253018062811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 253018062811 in words is "two hundred fifty-three billion, eighteen million, sixty-two thousand, eight hundred eleven".