2551424155 has 32 divisors (see below), whose sum is σ = 3769049088. Its totient is φ = 1619481600.

The previous prime is 2551424153. The next prime is 2551424171. The reversal of 2551424155 is 5514241552.

It is not a de Polignac number, because 2551424155 - 2¹ = 2551424153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2551424155.

It is not an unprimeable number, because it can be changed into a prime (2551424153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26166 + ... + 76075.

It is an arithmetic number, because the mean of its divisors is an integer number (117782784).

Almost surely, 2^2551424155 is an apocalyptic number.

2551424155 is a deficient number, since it is larger than the sum of its proper divisors (1217624933).

2551424155 is a wasteful number, since it uses less digits than its factorization.

2551424155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102307.

The product of its digits is 40000, while the sum is 34.

The square root of 2551424155 is about 50511.6239592433. The cubic root of 2551424155 is about 1366.4514975220.

The spelling of 2551424155 in words is "two billion, five hundred fifty-one million, four hundred twenty-four thousand, one hundred fifty-five".