15238254198 has 16 divisors (see below), whose sum is σ = 32269244400. Its totient is φ = 4780628736.

The previous prime is 15238254167. The next prime is 15238254203. The reversal of 15238254198 is 89145283251.

15238254198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74697223 + ... + 74697426.

It is an arithmetic number, because the mean of its divisors is an integer number (2016827775).

Almost surely, 2^15238254198 is an apocalyptic number.

15238254198 is an abundant number, since it is smaller than the sum of its proper divisors (17030990202).

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

15238254198 is a wasteful number, since it uses less digits than its factorization.

15238254198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149394671.

The product of its digits is 691200, while the sum is 48.

The spelling of 15238254198 in words is "fifteen billion, two hundred thirty-eight million, two hundred fifty-four thousand, one hundred ninety-eight".