15098123992 has 64 divisors (see below), whose sum is σ = 33040846080. Its totient is φ = 6333654912.

The previous prime is 15098123987. The next prime is 15098124017. The reversal of 15098123992 is 29932189051.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309083 + ... + 1320565.

It is an arithmetic number, because the mean of its divisors is an integer number (516263220).

Almost surely, 2^15098123992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15098123992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16520423040).

15098123992 is an abundant number, since it is smaller than the sum of its proper divisors (17942722088).

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

15098123992 is a wasteful number, since it uses less digits than its factorization.

15098123992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11992 (or 11988 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 15098123992 in words is "fifteen billion, ninety-eight million, one hundred twenty-three thousand, nine hundred ninety-two".