2500919155 has 16 divisors (see below), whose sum is σ = 3444952320. Its totient is φ = 1707355872.

The previous prime is 2500919149. The next prime is 2500919159. The reversal of 2500919155 is 5519190052.

It is a cyclic number.

It is not a de Polignac number, because 2500919155 - 2¹³ = 2500910963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2500919159) 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, 149445 + ... + 165334.

It is an arithmetic number, because the mean of its divisors is an integer number (215309520).

Almost surely, 2^2500919155 is an apocalyptic number.

2500919155 is a deficient number, since it is larger than the sum of its proper divisors (944033165).

2500919155 is a wasteful number, since it uses less digits than its factorization.

2500919155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315018.

The product of its (nonzero) digits is 20250, while the sum is 37.

The square root of 2500919155 is about 50009.1907053094. The cubic root of 2500919155 is about 1357.3751192853.

The spelling of 2500919155 in words is "two billion, five hundred million, nine hundred nineteen thousand, one hundred fifty-five".