15399555198 has 16 divisors (see below), whose sum is σ = 30803203200. Its totient is φ = 5132502936.

The previous prime is 15399555191. The next prime is 15399555209. The reversal of 15399555198 is 89155599351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15399555191) 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, 120490 + ... + 212877.

It is an arithmetic number, because the mean of its divisors is an integer number (1925200200).

Almost surely, 2^15399555198 is an apocalyptic number.

15399555198 is an abundant number, since it is smaller than the sum of its proper divisors (15403648002).

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

15399555198 is a wasteful number, since it uses less digits than its factorization.

15399555198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341071.

The product of its digits is 10935000, while the sum is 60.

The spelling of 15399555198 in words is "fifteen billion, three hundred ninety-nine million, five hundred fifty-five thousand, one hundred ninety-eight".