51155060100 has 36 divisors (see below), whose sum is σ = 148008641424. Its totient is φ = 13641349280.

The previous prime is 51155060071. The next prime is 51155060129. The reversal of 51155060100 is 106055115.

It is an interprime number because it is at equal distance from previous prime (51155060071) and next prime (51155060129).

It is a super-2 number, since 2×51155060100² (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 11 ways as a sum of consecutive naturals, for example, 85258134 + ... + 85258733.

Almost surely, 2^51155060100 is an apocalyptic number.

51155060100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51155060100 is an abundant number, since it is smaller than the sum of its proper divisors (96853581324).

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

51155060100 is a wasteful number, since it uses less digits than its factorization.

51155060100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170516884 (or 170516877 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 51155060100 in words is "fifty-one billion, one hundred fifty-five million, sixty thousand, one hundred".