51230524113 has 32 divisors (see below), whose sum is σ = 79508160000. Its totient is φ = 32558512896.

The previous prime is 51230524109. The next prime is 51230524117. The reversal of 51230524113 is 31142503215.

51230524113 is a `hidden beast` number, since 5 + 1 + 23 + 0 + 524 + 113 = 666.

It is an interprime number because it is at equal distance from previous prime (51230524109) and next prime (51230524117).

It is not a de Polignac number, because 51230524113 - 2² = 51230524109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51230524117) 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, 352248 + ... + 475961.

It is an arithmetic number, because the mean of its divisors is an integer number (2484630000).

Almost surely, 2^51230524113 is an apocalyptic number.

It is an amenable number.

51230524113 is a deficient number, since it is larger than the sum of its proper divisors (28277635887).

51230524113 is a wasteful number, since it uses less digits than its factorization.

51230524113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828326 (or 828320 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 51230524113 in words is "fifty-one billion, two hundred thirty million, five hundred twenty-four thousand, one hundred thirteen".