5123155551020 has 48 divisors (see below), whose sum is σ = 11669567458080. Its totient is φ = 1878017826816.

The previous prime is 5123155551011. The next prime is 5123155551023. The reversal of 5123155551020 is 201555513215.

It is not an unprimeable number, because it can be changed into a prime (5123155551023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70843157 + ... + 70915436.

It is an arithmetic number, because the mean of its divisors is an integer number (243115988710).

Almost surely, 2^{5123155551020} is an apocalyptic number.

It is an amenable number.

5123155551020 is an abundant number, since it is smaller than the sum of its proper divisors (6546411907060).

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

5123155551020 is a wasteful number, since it uses less digits than its factorization.

5123155551020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141758754 (or 141758752 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 5123155551020 in words is "five trillion, one hundred twenty-three billion, one hundred fifty-five million, five hundred fifty-one thousand, twenty".