2500555015 has 48 divisors (see below), whose sum is σ = 3727745280. Its totient is φ = 1601994240.

The previous prime is 2500554977. The next prime is 2500555019. The reversal of 2500555015 is 5105550052.

It is a happy number.

It is not a de Polignac number, because 2500555015 - 2⁷ = 2500554887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500555019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214579 + ... + 225931.

It is an arithmetic number, because the mean of its divisors is an integer number (77661360).

Almost surely, 2^2500555015 is an apocalyptic number.

2500555015 is a deficient number, since it is larger than the sum of its proper divisors (1227190265).

2500555015 is a wasteful number, since it uses less digits than its factorization.

2500555015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11432 (or 11425 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 2500555015 is about 50005.5498419925. The cubic root of 2500555015 is about 1357.3092370321.

The spelling of 2500555015 in words is "two billion, five hundred million, five hundred fifty-five thousand, fifteen".