2560501155 has 32 divisors (see below), whose sum is σ = 4344715584. Its totient is φ = 1283219456.

The previous prime is 2560501133. The next prime is 2560501159. The reversal of 2560501155 is 5511050652.

It is a cyclic number.

It is not a de Polignac number, because 2560501155 - 2¹¹ = 2560499107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2560501159) 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, 158827 + ... + 174203.

It is an arithmetic number, because the mean of its divisors is an integer number (135772362).

Almost surely, 2^2560501155 is an apocalyptic number.

2560501155 is a deficient number, since it is larger than the sum of its proper divisors (1784214429).

2560501155 is a wasteful number, since it uses less digits than its factorization.

2560501155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16055.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 2560501155 is about 50601.3947930292. The cubic root of 2560501155 is about 1368.0700184956.

The spelling of 2560501155 in words is "two billion, five hundred sixty million, five hundred one thousand, one hundred fifty-five".