15025025140 has 12 divisors (see below), whose sum is σ = 31552552836. Its totient is φ = 6010010048.

The previous prime is 15025025131. The next prime is 15025025179. The reversal of 15025025140 is 4152052051.

It can be written as a sum of positive squares in 2 ways, for example, as 8217785104 + 6807240036 = 90652^2 + 82506^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375625609 + ... + 375625648.

It is an arithmetic number, because the mean of its divisors is an integer number (2629379403).

Almost surely, 2^15025025140 is an apocalyptic number.

15025025140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15025025140 is an abundant number, since it is smaller than the sum of its proper divisors (16527527696).

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

15025025140 is a wasteful number, since it uses less digits than its factorization.

15025025140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751251266 (or 751251264 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 15025025140 its reverse (4152052051), we get a palindrome (19177077191).

The spelling of 15025025140 in words is "fifteen billion, twenty-five million, twenty-five thousand, one hundred forty".