51874304121 has 16 divisors (see below), whose sum is σ = 80192161920. Its totient is φ = 33079266000.

The previous prime is 51874304107. The next prime is 51874304129. The reversal of 51874304121 is 12140347815.

51874304121 is a `hidden beast` number, since 5 + 187 + 430 + 41 + 2 + 1 = 666.

It is not a de Polignac number, because 51874304121 - 2⁹ = 51874303609 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51874304129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41766130 + ... + 41767371.

It is an arithmetic number, because the mean of its divisors is an integer number (5012010120).

Almost surely, 2^51874304121 is an apocalyptic number.

It is an amenable number.

51874304121 is a deficient number, since it is larger than the sum of its proper divisors (28317857799).

51874304121 is a wasteful number, since it uses less digits than its factorization.

51874304121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83533533 (or 83533527 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 51874304121 in words is "fifty-one billion, eight hundred seventy-four million, three hundred four thousand, one hundred twenty-one".