51132846572426 has 4 divisors (see below), whose sum is σ = 76699269858642. Its totient is φ = 25566423286212.

The previous prime is 51132846572333. The next prime is 51132846572447. The reversal of 51132846572426 is 62427564823115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42083128096801 + 9049718475625 = 6487151^2 + 3008275^2 .

It is a super-2 number, since 2×51132846572426² (a number of 28 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 12783211643105 + ... + 12783211643108.

Almost surely, 2^{51132846572426} is an apocalyptic number.

51132846572426 is a deficient number, since it is larger than the sum of its proper divisors (25566423286216).

51132846572426 is a wasteful number, since it uses less digits than its factorization.

51132846572426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25566423286215.

The product of its digits is 19353600, while the sum is 56.

The spelling of 51132846572426 in words is "fifty-one trillion, one hundred thirty-two billion, eight hundred forty-six million, five hundred seventy-two thousand, four hundred twenty-six".