51113503474 has 16 divisors (see below), whose sum is σ = 87276813120. Its totient is φ = 22223262160.

The previous prime is 51113503471. The next prime is 51113503477. The reversal of 51113503474 is 47430531115.

It is an interprime number because it is at equal distance from previous prime (51113503471) and next prime (51113503477).

It is a super-2 number, since 2×51113503474² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51113503471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50506909 + ... + 50507920.

It is an arithmetic number, because the mean of its divisors is an integer number (5454800820).

Almost surely, 2^51113503474 is an apocalyptic number.

51113503474 is a deficient number, since it is larger than the sum of its proper divisors (36163309646).

51113503474 is a wasteful number, since it uses less digits than its factorization.

51113503474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101014865.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 51113503474 in words is "fifty-one billion, one hundred thirteen million, five hundred three thousand, four hundred seventy-four".