15025002000 has 80 divisors (see below), whose sum is σ = 48440625792. Its totient is φ = 4006665600.

The previous prime is 15025001941. The next prime is 15025002007. The reversal of 15025002000 is 20052051.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (15025002007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1246084 + ... + 1258083.

Almost surely, 2^15025002000 is an apocalyptic number.

15025002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15025002000 is an abundant number, since it is smaller than the sum of its proper divisors (33415623792).

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

15025002000 is a wasteful number, since it uses less digits than its factorization.

15025002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504193 (or 2504177 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

Adding to 15025002000 its reverse (20052051), we get a palindrome (15045054051).

The spelling of 15025002000 in words is "fifteen billion, twenty-five million, two thousand".