2555081187 has 16 divisors (see below), whose sum is σ = 3472823808. Its totient is φ = 1670396000.

The previous prime is 2555081161. The next prime is 2555081203. The reversal of 2555081187 is 7811805552.

2555081187 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2555081187 - 2²⁶ = 2487972323 is a prime.

It is a super-2 number, since 2×2555081187² = 13056879744322657938, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2555081387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514438 + ... + 519380.

It is an arithmetic number, because the mean of its divisors is an integer number (217051488).

Almost surely, 2^2555081187 is an apocalyptic number.

2555081187 is a deficient number, since it is larger than the sum of its proper divisors (917742621).

2555081187 is a wasteful number, since it uses less digits than its factorization.

2555081187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8250.

The product of its (nonzero) digits is 112000, while the sum is 42.

The square root of 2555081187 is about 50547.8109021548. The cubic root of 2555081187 is about 1367.1040443513.

The spelling of 2555081187 in words is "two billion, five hundred fifty-five million, eighty-one thousand, one hundred eighty-seven".