51012232522 has 8 divisors (see below), whose sum is σ = 76684333572. Its totient is φ = 25450788000.

The previous prime is 51012232511. The next prime is 51012232561. The reversal of 51012232522 is 22523221015.

It can be written as a sum of positive squares in 2 ways, for example, as 40260823801 + 10751408721 = 200651^2 + 103689^2 .

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

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, 27662979 + ... + 27664822.

Almost surely, 2^51012232522 is an apocalyptic number.

51012232522 is a deficient number, since it is larger than the sum of its proper divisors (25672101050).

51012232522 is a wasteful number, since it uses less digits than its factorization.

51012232522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55328264.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 51012232522 its reverse (22523221015), we get a palindrome (73535453537).

The spelling of 51012232522 in words is "fifty-one billion, twelve million, two hundred thirty-two thousand, five hundred twenty-two".