15765013000 has 128 divisors (see below), whose sum is σ = 40423069440. Its totient is φ = 5707200000.

The previous prime is 15765012997. The next prime is 15765013063. The reversal of 15765013000 is 31056751.

It is a self number, because there is not a number n which added to its sum of digits gives 15765013000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2559925 + ... + 2566075.

It is an arithmetic number, because the mean of its divisors is an integer number (315805230).

Almost surely, 2^15765013000 is an apocalyptic number.

15765013000 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 15765013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20211534720).

15765013000 is an abundant number, since it is smaller than the sum of its proper divisors (24658056440).

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

15765013000 is a wasteful number, since it uses less digits than its factorization.

15765013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416 (or 6402 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

Adding to 15765013000 its reverse (31056751), we get a palindrome (15796069751).

The spelling of 15765013000 in words is "fifteen billion, seven hundred sixty-five million, thirteen thousand".