51031664151 has 16 divisors (see below), whose sum is σ = 73434525696. Its totient is φ = 31336262496.

The previous prime is 51031664137. The next prime is 51031664171. The reversal of 51031664151 is 15146613015.

It is not a de Polignac number, because 51031664151 - 2⁵ = 51031664119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51031664171) 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, 1395015 + ... + 1431128.

It is an arithmetic number, because the mean of its divisors is an integer number (4589657856).

Almost surely, 2^51031664151 is an apocalyptic number.

51031664151 is a deficient number, since it is larger than the sum of its proper divisors (22402861545).

51031664151 is a wasteful number, since it uses less digits than its factorization.

51031664151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826622.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 51031664151 in words is "fifty-one billion, thirty-one million, six hundred sixty-four thousand, one hundred fifty-one".