51100364723020 has 24 divisors (see below), whose sum is σ = 110211056890704. Its totient is φ = 19887709513536.

The previous prime is 51100364723003. The next prime is 51100364723027. The reversal of 51100364723020 is 2032746300115.

It is a super-2 number, since 2×51100364723020² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51100364723027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34527272722 + ... + 34527274201.

It is an arithmetic number, because the mean of its divisors is an integer number (4592127370446).

Almost surely, 2^{51100364723020} is an apocalyptic number.

It is an amenable number.

51100364723020 is an abundant number, since it is smaller than the sum of its proper divisors (59110692167684).

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

51100364723020 is a wasteful number, since it uses less digits than its factorization.

51100364723020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69054546969 (or 69054546967 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 51100364723020 in words is "fifty-one trillion, one hundred billion, three hundred sixty-four million, seven hundred twenty-three thousand, twenty".