51010104972 has 24 divisors (see below), whose sum is σ = 119587676992. Its totient is φ = 16922782800.

The previous prime is 51010104931. The next prime is 51010104997. The reversal of 51010104972 is 27940101015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10070554 + ... + 10075617.

Almost surely, 2^51010104972 is an apocalyptic number.

It is an amenable number.

51010104972 is an abundant number, since it is smaller than the sum of its proper divisors (68577572020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51010104972 is a wasteful number, since it uses less digits than its factorization.

51010104972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20146389 (or 20146387 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

Adding to 51010104972 its reverse (27940101015), we get a palindrome (78950205987).

The spelling of 51010104972 in words is "fifty-one billion, ten million, one hundred four thousand, nine hundred seventy-two".