2551415155 has 8 divisors (see below), whose sum is σ = 3064651200. Its totient is φ = 2039163456.

The previous prime is 2551415149. The next prime is 2551415161. The reversal of 2551415155 is 5515141552.

It is an interprime number because it is at equal distance from previous prime (2551415149) and next prime (2551415161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2551415155 - 2¹⁷ = 2551284083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2551415155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240370 + ... + 250759.

It is an arithmetic number, because the mean of its divisors is an integer number (383081400).

Almost surely, 2^2551415155 is an apocalyptic number.

2551415155 is a deficient number, since it is larger than the sum of its proper divisors (513236045).

2551415155 is a wasteful number, since it uses less digits than its factorization.

2551415155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492173.

The product of its digits is 25000, while the sum is 34.

The square root of 2551415155 is about 50511.5348707600. The cubic root of 2551415155 is about 1366.4498908275.

The spelling of 2551415155 in words is "two billion, five hundred fifty-one million, four hundred fifteen thousand, one hundred fifty-five".