51307662311 has 16 divisors (see below), whose sum is σ = 56089582848. Its totient is φ = 46722355200.

The previous prime is 51307662299. The next prime is 51307662319. The reversal of 51307662311 is 11326670315.

It is a cyclic number.

It is not a de Polignac number, because 51307662311 - 2¹⁰ = 51307661287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51307662319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4966031 + ... + 4976351.

It is an arithmetic number, because the mean of its divisors is an integer number (3505598928).

Almost surely, 2^51307662311 is an apocalyptic number.

51307662311 is a deficient number, since it is larger than the sum of its proper divisors (4781920537).

51307662311 is a wasteful number, since it uses less digits than its factorization.

51307662311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19802.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 51307662311 in words is "fifty-one billion, three hundred seven million, six hundred sixty-two thousand, three hundred eleven".