2501260155 has 20 divisors (see below), whose sum is σ = 4483741152. Its totient is φ = 1334005200.

The previous prime is 2501260117. The next prime is 2501260171. The reversal of 2501260155 is 5510621052.

2501260155 is a `hidden beast` number, since 2 + 5 + 0 + 1 + 2 + 601 + 55 = 666.

It is not a de Polignac number, because 2501260155 - 2¹¹ = 2501258107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 3087571 + ... + 3088380.

Almost surely, 2^2501260155 is an apocalyptic number.

2501260155 is a deficient number, since it is larger than the sum of its proper divisors (1982480997).

2501260155 is an equidigital number, since it uses as much as digits as its factorization.

2501260155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175968 (or 6175959 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2501260155 is about 50012.5999624095. The cubic root of 2501260155 is about 1357.4368091217.

The spelling of 2501260155 in words is "two billion, five hundred one million, two hundred sixty thousand, one hundred fifty-five".