5123153500020 has 72 divisors (see below), whose sum is σ = 15541564979304. Its totient is φ = 1366057106688.

The previous prime is 5123153500001. The next prime is 5123153500067. The reversal of 5123153500020 is 200053513215.

It is a happy number.

5123153500020 is a `hidden beast` number, since 5 + 1 + 2 + 3 + 153 + 500 + 0 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19042344036 + 5104111155984 = 137994^2 + 2259228^2 .

It is a super-2 number, since 2×5123153500020² (a number of 26 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, 894502 + ... + 3323618.

It is an arithmetic number, because the mean of its divisors is an integer number (215855069157).

Almost surely, 2^{5123153500020} is an apocalyptic number.

It is an amenable number.

5123153500020 is an abundant number, since it is smaller than the sum of its proper divisors (10418411479284).

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

5123153500020 is a wasteful number, since it uses less digits than its factorization.

5123153500020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440849 (or 2440844 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 5123153500020 in words is "five trillion, one hundred twenty-three billion, one hundred fifty-three million, five hundred thousand, twenty".