51377016311 has 4 divisors (see below), whose sum is σ = 51377726400. Its totient is φ = 51376306224.

The previous prime is 51377016287. The next prime is 51377016323. The reversal of 51377016311 is 11361077315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51377016311 - 2⁶ = 51377016247 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 (51377016331) 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, 232391 + ... + 395928.

It is an arithmetic number, because the mean of its divisors is an integer number (12844431600).

Almost surely, 2^51377016311 is an apocalyptic number.

51377016311 is a deficient number, since it is larger than the sum of its proper divisors (710089).

51377016311 is an equidigital number, since it uses as much as digits as its factorization.

51377016311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710088.

The product of its (nonzero) digits is 13230, while the sum is 35.

The spelling of 51377016311 in words is "fifty-one billion, three hundred seventy-seven million, sixteen thousand, three hundred eleven".