251104075654231 has 2 divisors, whose sum is σ = 251104075654232. Its totient is φ = 251104075654230.

The previous prime is 251104075654193. The next prime is 251104075654277. The reversal of 251104075654231 is 132456570401152.

It is an a-pointer prime, because the next prime (251104075654277) can be obtained adding 251104075654231 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-251104075654231 is a prime.

It is a super-2 number, since 2×251104075654231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251104075658231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125552037827115 + 125552037827116.

It is an arithmetic number, because the mean of its divisors is an integer number (125552037827116).

Almost surely, 2^{251104075654231} is an apocalyptic number.

251104075654231 is a deficient number, since it is larger than the sum of its proper divisors (1).

251104075654231 is an equidigital number, since it uses as much as digits as its factorization.

251104075654231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 251104075654231 in words is "two hundred fifty-one trillion, one hundred four billion, seventy-five million, six hundred fifty-four thousand, two hundred thirty-one".