51103422960 has 160 divisors (see below), whose sum is σ = 166860629760. Its totient is φ = 12902436864.

The previous prime is 51103422943. The next prime is 51103422977. The reversal of 51103422960 is 6922430115.

It is an interprime number because it is at equal distance from previous prime (51103422943) and next prime (51103422977).

It is a super-2 number, since 2×51103422960² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12232392 + ... + 12236568.

It is an arithmetic number, because the mean of its divisors is an integer number (1042878936).

Almost surely, 2^51103422960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51103422960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83430314880).

51103422960 is an abundant number, since it is smaller than the sum of its proper divisors (115757206800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51103422960 is a wasteful number, since it uses less digits than its factorization.

51103422960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895 (or 6889 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 51103422960 in words is "fifty-one billion, one hundred three million, four hundred twenty-two thousand, nine hundred sixty".