51311052013526 has 8 divisors (see below), whose sum is σ = 76966612966920. Its totient is φ = 25655514357888.

The previous prime is 51311052013517. The next prime is 51311052013577. The reversal of 51311052013526 is 62531025011315.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1547885 + ... + 10247831.

It is an arithmetic number, because the mean of its divisors is an integer number (9620826620865).

Almost surely, 2^{51311052013526} is an apocalyptic number.

51311052013526 is a deficient number, since it is larger than the sum of its proper divisors (25655560953394).

51311052013526 is a wasteful number, since it uses less digits than its factorization.

51311052013526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648878.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 51311052013526 in words is "fifty-one trillion, three hundred eleven billion, fifty-two million, thirteen thousand, five hundred twenty-six".