15115474000 has 160 divisors (see below), whose sum is σ = 40437626112. Its totient is φ = 5418560000.

The previous prime is 15115473991. The next prime is 15115474001. The reversal of 15115474000 is 47451151.

It is a self number, because there is not a number n which added to its sum of digits gives 15115474000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15115474001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1557162 + ... + 1566838.

Almost surely, 2^15115474000 is an apocalyptic number.

15115474000 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 15115474000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20218813056).

15115474000 is an abundant number, since it is smaller than the sum of its proper divisors (25322152112).

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

15115474000 is a wasteful number, since it uses less digits than its factorization.

15115474000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9782 (or 9766 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The spelling of 15115474000 in words is "fifteen billion, one hundred fifteen million, four hundred seventy-four thousand".