51354261356 has 48 divisors (see below), whose sum is σ = 96864768000. Its totient is φ = 23753146560.

The previous prime is 51354261353. The next prime is 51354261377. The reversal of 51354261356 is 65316245315.

It is not an unprimeable number, because it can be changed into a prime (51354261353) 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, 5262770 + ... + 5272518.

It is an arithmetic number, because the mean of its divisors is an integer number (2018016000).

Almost surely, 2^51354261356 is an apocalyptic number.

It is an amenable number.

51354261356 is a deficient number, since it is larger than the sum of its proper divisors (45510506644).

51354261356 is a wasteful number, since it uses less digits than its factorization.

51354261356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11654 (or 11652 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The spelling of 51354261356 in words is "fifty-one billion, three hundred fifty-four million, two hundred sixty-one thousand, three hundred fifty-six".