51025220332 has 6 divisors (see below), whose sum is σ = 89294135588. Its totient is φ = 25512610164.

The previous prime is 51025220293. The next prime is 51025220357. The reversal of 51025220332 is 23302252015.

It is a junction number, because it is equal to n+sod(n) for n = 51025220297 and 51025220306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6378152538 + ... + 6378152545.

Almost surely, 2^51025220332 is an apocalyptic number.

It is an amenable number.

51025220332 is a deficient number, since it is larger than the sum of its proper divisors (38268915256).

51025220332 is a wasteful number, since it uses less digits than its factorization.

51025220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12756305087 (or 12756305085 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 51025220332 its reverse (23302252015), we get a palindrome (74327472347).

The spelling of 51025220332 in words is "fifty-one billion, twenty-five million, two hundred twenty thousand, three hundred thirty-two".