51106151100 has 72 divisors (see below), whose sum is σ = 148306198768. Its totient is φ = 13587840000.

The previous prime is 51106151069. The next prime is 51106151123. The reversal of 51106151100 is 115160115.

It is a happy number.

It is a super-2 number, since 2×51106151100² (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 23 ways as a sum of consecutive naturals, for example, 151651 + ... + 353850.

Almost surely, 2^51106151100 is an apocalyptic number.

51106151100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51106151100 is an abundant number, since it is smaller than the sum of its proper divisors (97200047668).

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

51106151100 is a wasteful number, since it uses less digits than its factorization.

51106151100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505855 (or 505848 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

The spelling of 51106151100 in words is "fifty-one billion, one hundred six million, one hundred fifty-one thousand, one hundred".