51105116 has 12 divisors (see below), whose sum is σ = 89601288. Its totient is φ = 25504752.

The previous prime is 51105107. The next prime is 51105137. The reversal of 51105116 is 61150115.

It is a super-2 number, since 2×51105116² = 5223465762746912, which 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 3 ways as a sum of consecutive naturals, for example, 9491 + ... + 13866.

It is an arithmetic number, because the mean of its divisors is an integer number (7466774).

Almost surely, 2^51105116 is an apocalyptic number.

It is an amenable number.

51105116 is a deficient number, since it is larger than the sum of its proper divisors (38496172).

51105116 is a wasteful number, since it uses less digits than its factorization.

51105116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23908 (or 23906 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 51105116 is about 7148.7842323013. The cubic root of 51105116 is about 371.0975833279.

The spelling of 51105116 in words is "fifty-one million, one hundred five thousand, one hundred sixteen".