51113800874 has 8 divisors (see below), whose sum is σ = 80706001440. Its totient is φ = 24211800396.

The previous prime is 51113800831. The next prime is 51113800901. The reversal of 51113800874 is 47800831115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51113800874² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1345100023 = 51113800874 / (5 + 1 + 1 + 1 + 3 + 8 + 0 + 0 + 8 + 7 + 4).

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, 672549974 + ... + 672550049.

It is an arithmetic number, because the mean of its divisors is an integer number (10088250180).

Almost surely, 2^51113800874 is an apocalyptic number.

51113800874 is a deficient number, since it is larger than the sum of its proper divisors (29592200566).

51113800874 is a wasteful number, since it uses less digits than its factorization.

51113800874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345100044.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 51113800874 in words is "fifty-one billion, one hundred thirteen million, eight hundred thousand, eight hundred seventy-four".