51455158016 has 36 divisors (see below), whose sum is σ = 102733479912. Its totient is φ = 25721527296.

The previous prime is 51455157991. The next prime is 51455158031. The reversal of 51455158016 is 61085155415.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187810 + ... + 1230366.

Almost surely, 2^51455158016 is an apocalyptic number.

It is an amenable number.

51455158016 is a deficient number, since it is larger than the sum of its proper divisors (51278321896).

51455158016 is an equidigital number, since it uses as much as digits as its factorization.

51455158016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47296 (or 47282 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 41.

The spelling of 51455158016 in words is "fifty-one billion, four hundred fifty-five million, one hundred fifty-eight thousand, sixteen".