2500775505 has 32 divisors (see below), whose sum is σ = 4448113920. Its totient is φ = 1333059840.

The previous prime is 2500775471. The next prime is 2500775507. The reversal of 2500775505 is 5055770052.

It is not a de Polignac number, because 2500775505 - 2¹⁶ = 2500709969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2500775505.

It is not an unprimeable number, because it can be changed into a prime (2500775507) 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, 362569 + ... + 369401.

It is an arithmetic number, because the mean of its divisors is an integer number (139003560).

Almost surely, 2^2500775505 is an apocalyptic number.

It is an amenable number.

2500775505 is a deficient number, since it is larger than the sum of its proper divisors (1947338415).

2500775505 is a wasteful number, since it uses less digits than its factorization.

2500775505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9558 (or 9552 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The square root of 2500775505 is about 50007.7544486853. The cubic root of 2500775505 is about 1357.3491300847.

The spelling of 2500775505 in words is "two billion, five hundred million, seven hundred seventy-five thousand, five hundred five".