51086101085812 has 24 divisors (see below), whose sum is σ = 96310545278976. Its totient is φ = 23570145015648.

The previous prime is 51086101085797. The next prime is 51086101085813. The reversal of 51086101085812 is 21858010168015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51086101085813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167668948 + ... + 167973355.

It is an arithmetic number, because the mean of its divisors is an integer number (4012939386624).

Almost surely, 2^{51086101085812} is an apocalyptic number.

51086101085812 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51086101085812 is a deficient number, since it is larger than the sum of its proper divisors (45224444193164).

51086101085812 is a wasteful number, since it uses less digits than its factorization.

51086101085812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335645247 (or 335645245 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 46.

The spelling of 51086101085812 in words is "fifty-one trillion, eighty-six billion, one hundred one million, eighty-five thousand, eight hundred twelve".