5172153578998 has 16 divisors (see below), whose sum is σ = 8866699445664. Its totient is φ = 2216599634880.

The previous prime is 5172153578993. The next prime is 5172153579011. The reversal of 5172153578998 is 8998753512715.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172153578993) 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, 2271733 + ... + 3937648.

It is an arithmetic number, because the mean of its divisors is an integer number (554168715354).

Almost surely, 2^{5172153578998} is an apocalyptic number.

5172153578998 is a deficient number, since it is larger than the sum of its proper divisors (3694545866666).

5172153578998 is a wasteful number, since it uses less digits than its factorization.

5172153578998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268887.

The product of its digits is 190512000, while the sum is 70.

The spelling of 5172153578998 in words is "five trillion, one hundred seventy-two billion, one hundred fifty-three million, five hundred seventy-eight thousand, nine hundred ninety-eight".