51255231115323 has 32 divisors (see below), whose sum is σ = 74055031142400. Its totient is φ = 31407183392256.

The previous prime is 51255231115243. The next prime is 51255231115343. The reversal of 51255231115323 is 32351113255215.

It is not a de Polignac number, because 51255231115323 - 2⁹ = 51255231114811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51255231115343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11784118 + ... + 15536276.

It is an arithmetic number, because the mean of its divisors is an integer number (2314219723200).

Almost surely, 2^{51255231115323} is an apocalyptic number.

51255231115323 is a deficient number, since it is larger than the sum of its proper divisors (22799800027077).

51255231115323 is a wasteful number, since it uses less digits than its factorization.

51255231115323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758451.

The product of its digits is 135000, while the sum is 39.

The spelling of 51255231115323 in words is "fifty-one trillion, two hundred fifty-five billion, two hundred thirty-one million, one hundred fifteen thousand, three hundred twenty-three".