2555351161 has 4 divisors (see below), whose sum is σ = 2787655824. Its totient is φ = 2323046500.

The previous prime is 2555351147. The next prime is 2555351167. The reversal of 2555351161 is 1611535552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2555351161 - 2¹⁵ = 2555318393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555351167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116152315 + ... + 116152336.

It is an arithmetic number, because the mean of its divisors is an integer number (696913956).

Almost surely, 2^2555351161 is an apocalyptic number.

It is an amenable number.

2555351161 is a deficient number, since it is larger than the sum of its proper divisors (232304663).

2555351161 is a wasteful number, since it uses less digits than its factorization.

2555351161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232304662.

The product of its digits is 22500, while the sum is 34.

The square root of 2555351161 is about 50550.4813132378. The cubic root of 2555351161 is about 1367.1521927951.

The spelling of 2555351161 in words is "two billion, five hundred fifty-five million, three hundred fifty-one thousand, one hundred sixty-one".