51418901092 has 12 divisors (see below), whose sum is σ = 96904852156. Its totient is φ = 23731800480.

The previous prime is 51418901089. The next prime is 51418901101. The reversal of 51418901092 is 29010981415.

It can be written as a sum of positive squares in 2 ways, for example, as 26006077696 + 25412823396 = 161264^2 + 159414^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494412459 + ... + 494412562.

Almost surely, 2^51418901092 is an apocalyptic number.

51418901092 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51418901092 is a deficient number, since it is larger than the sum of its proper divisors (45485951064).

51418901092 is a wasteful number, since it uses less digits than its factorization.

51418901092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988825038 (or 988825036 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 51418901092 in words is "fifty-one billion, four hundred eighteen million, nine hundred one thousand, ninety-two".