51100005106 has 8 divisors (see below), whose sum is σ = 77209497180. Its totient is φ = 25363506048.

The previous prime is 51100005071. The next prime is 51100005137. The reversal of 51100005106 is 60150000115.

It can be written as a sum of positive squares in 2 ways, for example, as 48046448025 + 3053557081 = 219195^2 + 55259^2 .

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

It is a super-2 number, since 2×51100005106² (a number of 22 digits) contains 22 as substring.

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, 93247911 + ... + 93248458.

Almost surely, 2^51100005106 is an apocalyptic number.

51100005106 is a deficient number, since it is larger than the sum of its proper divisors (26109492074).

51100005106 is a wasteful number, since it uses less digits than its factorization.

51100005106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186496508.

The product of its (nonzero) digits is 150, while the sum is 19.

The spelling of 51100005106 in words is "fifty-one billion, one hundred million, five thousand, one hundred six".