2555116461 has 16 divisors (see below), whose sum is σ = 3786150720. Its totient is φ = 1703054160.

The previous prime is 2555116457. The next prime is 2555116469. The reversal of 2555116461 is 1646115552.

2555116461 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 1 + 1 + 646 + 1 = 666.

It is not a de Polignac number, because 2555116461 - 2² = 2555116457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555116469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210391 + ... + 222203.

It is an arithmetic number, because the mean of its divisors is an integer number (236634420).

Almost surely, 2^2555116461 is an apocalyptic number.

It is an amenable number.

2555116461 is a deficient number, since it is larger than the sum of its proper divisors (1231034259).

2555116461 is a wasteful number, since it uses less digits than its factorization.

2555116461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19833 (or 19827 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 2555116461 is about 50548.1598181378. The cubic root of 2555116461 is about 1367.1103354764.

Subtracting from 2555116461 its reverse (1646115552), we obtain a palindrome (909000909).

The spelling of 2555116461 in words is "two billion, five hundred fifty-five million, one hundred sixteen thousand, four hundred sixty-one".