15136805992 has 96 divisors (see below), whose sum is σ = 36854658720. Its totient is φ = 5760236160.

The previous prime is 15136805951. The next prime is 15136806007. The reversal of 15136805992 is 29950863151.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144598 + ... + 226234.

It is an arithmetic number, because the mean of its divisors is an integer number (383902695).

Almost surely, 2^15136805992 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 15136805992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18427329360).

15136805992 is an abundant number, since it is smaller than the sum of its proper divisors (21717852728).

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

15136805992 is a wasteful number, since it uses less digits than its factorization.

15136805992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81711 (or 81700 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

It can be divided in two parts, 15136 and 805992, that added together give a palindrome (821128).

The spelling of 15136805992 in words is "fifteen billion, one hundred thirty-six million, eight hundred five thousand, nine hundred ninety-two".