51731000611 has 2 divisors, whose sum is σ = 51731000612. Its totient is φ = 51731000610.

The previous prime is 51731000567. The next prime is 51731000627. The reversal of 51731000611 is 11600013715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51731000611 - 2²⁵ = 51697446179 is a prime.

It is not a weakly prime, because it can be changed into another prime (51731000011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25865500305 + 25865500306.

It is an arithmetic number, because the mean of its divisors is an integer number (25865500306).

Almost surely, 2^51731000611 is an apocalyptic number.

51731000611 is a deficient number, since it is larger than the sum of its proper divisors (1).

51731000611 is an equidigital number, since it uses as much as digits as its factorization.

51731000611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 25.

The spelling of 51731000611 in words is "fifty-one billion, seven hundred thirty-one million, six hundred eleven", and thus it is an aban number.