15013555000 has 160 divisors (see below), whose sum is σ = 35988480000. Its totient is φ = 5868720000.

The previous prime is 15013554971. The next prime is 15013555013. The reversal of 15013555000 is 55531051.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 75444901 + ... + 75445099.

It is an arithmetic number, because the mean of its divisors is an integer number (224928000).

Almost surely, 2^15013555000 is an apocalyptic number.

15013555000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15013555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17994240000).

15013555000 is an abundant number, since it is smaller than the sum of its proper divisors (20974925000).

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

15013555000 is a wasteful number, since it uses less digits than its factorization.

15013555000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 25.

The spelling of 15013555000 in words is "fifteen billion, thirteen million, five hundred fifty-five thousand".