2556155147 has 16 divisors (see below), whose sum is σ = 3156807360. Its totient is φ = 2015528832.

The previous prime is 2556155057. The next prime is 2556155191. The reversal of 2556155147 is 7415516552.

2556155147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2556155147 - 2⁸ = 2556154891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2556155647) 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, 21272 + ... + 74597.

It is an arithmetic number, because the mean of its divisors is an integer number (197300460).

Almost surely, 2^2556155147 is an apocalyptic number.

2556155147 is a deficient number, since it is larger than the sum of its proper divisors (600652213).

2556155147 is a wasteful number, since it uses less digits than its factorization.

2556155147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96182.

The product of its digits is 210000, while the sum is 41.

The square root of 2556155147 is about 50558.4329958910. The cubic root of 2556155147 is about 1367.2955593877.

It can be divided in two parts, 25561 and 55147, that added together give a palindrome (80708).

The spelling of 2556155147 in words is "two billion, five hundred fifty-six million, one hundred fifty-five thousand, one hundred forty-seven".