2515122500 has 60 divisors (see below), whose sum is σ = 6000141840. Its totient is φ = 914580000.

The previous prime is 2515122499. The next prime is 2515122521. The reversal of 2515122500 is 52215152.

2515122500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18230 + ... + 73229.

It is an arithmetic number, because the mean of its divisors is an integer number (100002364).

Almost surely, 2^2515122500 is an apocalyptic number.

2515122500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2515122500 is an abundant number, since it is smaller than the sum of its proper divisors (3485019340).

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

2515122500 is a wasteful number, since it uses less digits than its factorization.

2515122500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91494 (or 91477 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 2515122500 is about 50150.9969990627. The cubic root of 2515122500 is about 1359.9398942583.

Adding to 2515122500 its reverse (52215152), we get a palindrome (2567337652).

The spelling of 2515122500 in words is "two billion, five hundred fifteen million, one hundred twenty-two thousand, five hundred".