51266612955937 has 4 divisors (see below), whose sum is σ = 51315391846576. Its totient is φ = 51217834065300.

The previous prime is 51266612955919. The next prime is 51266612955959. The reversal of 51266612955937 is 73955921666215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51266612955937 - 2¹¹ = 51266612953889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51266612955137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24389443743 + ... + 24389445844.

It is an arithmetic number, because the mean of its divisors is an integer number (12828847961644).

Almost surely, 2^{51266612955937} is an apocalyptic number.

It is an amenable number.

51266612955937 is a deficient number, since it is larger than the sum of its proper divisors (48778890639).

51266612955937 is a wasteful number, since it uses less digits than its factorization.

51266612955937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48778890638.

The product of its digits is 183708000, while the sum is 67.

The spelling of 51266612955937 in words is "fifty-one trillion, two hundred sixty-six billion, six hundred twelve million, nine hundred fifty-five thousand, nine hundred thirty-seven".