2560118387 has 4 divisors (see below), whose sum is σ = 2694861480. Its totient is φ = 2425375296.

The previous prime is 2560118369. The next prime is 2560118399. The reversal of 2560118387 is 7838110652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2560118387 - 2⁸ = 2560118131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560118087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67371518 + ... + 67371555.

It is an arithmetic number, because the mean of its divisors is an integer number (673715370).

Almost surely, 2^2560118387 is an apocalyptic number.

2560118387 is a deficient number, since it is larger than the sum of its proper divisors (134743093).

2560118387 is a wasteful number, since it uses less digits than its factorization.

2560118387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134743092.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 2560118387 is about 50597.6124634355. The cubic root of 2560118387 is about 1368.0018444041.

The spelling of 2560118387 in words is "two billion, five hundred sixty million, one hundred eighteen thousand, three hundred eighty-seven".