51113420332 has 24 divisors (see below), whose sum is σ = 96364398816. Its totient is φ = 23582174208.

The previous prime is 51113420327. The next prime is 51113420353. The reversal of 51113420332 is 23302431115.

It is a happy number.

It is a super-2 number, since 2×51113420332² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51113420297 and 51113420306.

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 in 7 ways as a sum of consecutive naturals, for example, 35368 + ... + 321679.

It is an arithmetic number, because the mean of its divisors is an integer number (4015183284).

Almost surely, 2^51113420332 is an apocalyptic number.

51113420332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51113420332 is a deficient number, since it is larger than the sum of its proper divisors (45250978484).

51113420332 is a wasteful number, since it uses less digits than its factorization.

51113420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359817 (or 359815 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 51113420332 its reverse (23302431115), we get a palindrome (74415851447).

The spelling of 51113420332 in words is "fifty-one billion, one hundred thirteen million, four hundred twenty thousand, three hundred thirty-two".