51311230115 has 8 divisors (see below), whose sum is σ = 61592115120. Its totient is φ = 41036558112.

The previous prime is 51311230063. The next prime is 51311230123. The reversal of 51311230115 is 51103211315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51311230115 - 2⁸ = 51311229859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535060 + ... + 1568129.

It is an arithmetic number, because the mean of its divisors is an integer number (7699014390).

Almost surely, 2^51311230115 is an apocalyptic number.

51311230115 is a deficient number, since it is larger than the sum of its proper divisors (10280885005).

51311230115 is a wasteful number, since it uses less digits than its factorization.

51311230115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106501.

The product of its (nonzero) digits is 450, while the sum is 23.

The spelling of 51311230115 in words is "fifty-one billion, three hundred eleven million, two hundred thirty thousand, one hundred fifteen".