15250120000 has 70 divisors (see below), whose sum is σ = 37815440498. Its totient is φ = 6100032000.

The previous prime is 15250119991. The next prime is 15250120001. The reversal of 15250120000 is 2105251.

15250120000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 7797596416 + 7452523584 = 88304^2 + 86328^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15250120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 150627 + ... + 230626.

Almost surely, 2^15250120000 is an apocalyptic number.

15250120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15250120000 is an abundant number, since it is smaller than the sum of its proper divisors (22565320498).

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

15250120000 is an frugal number, since it uses more digits than its factorization.

15250120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381285 (or 381260 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

Adding to 15250120000 its reverse (2105251), we get a palindrome (15252225251).

The spelling of 15250120000 in words is "fifteen billion, two hundred fifty million, one hundred twenty thousand".