2501405555 has 16 divisors (see below), whose sum is σ = 3283144704. Its totient is φ = 1814438880.

The previous prime is 2501405453. The next prime is 2501405561. The reversal of 2501405555 is 5555041052.

2501405555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2501405555 - 2²⁴ = 2484628339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38309 + ... + 80438.

It is an arithmetic number, because the mean of its divisors is an integer number (205196544).

Almost surely, 2^2501405555 is an apocalyptic number.

2501405555 is a deficient number, since it is larger than the sum of its proper divisors (781739149).

2501405555 is a wasteful number, since it uses less digits than its factorization.

2501405555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119146.

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 2501405555 is about 50014.0535749703. The cubic root of 2501405555 is about 1357.4631115287.

The spelling of 2501405555 in words is "two billion, five hundred one million, four hundred five thousand, five hundred fifty-five".