2505860755 has 8 divisors (see below), whose sum is σ = 3080375424. Its totient is φ = 1955793600.

The previous prime is 2505860743. The next prime is 2505860761. The reversal of 2505860755 is 5570685052.

2505860755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2505860755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6111651 + ... + 6112060.

It is an arithmetic number, because the mean of its divisors is an integer number (385046928).

Almost surely, 2^2505860755 is an apocalyptic number.

2505860755 is a deficient number, since it is larger than the sum of its proper divisors (574514669).

2505860755 is a wasteful number, since it uses less digits than its factorization.

2505860755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223757.

The product of its (nonzero) digits is 420000, while the sum is 43.

The square root of 2505860755 is about 50058.5732417535. The cubic root of 2505860755 is about 1358.2685497183.

The spelling of 2505860755 in words is "two billion, five hundred five million, eight hundred sixty thousand, seven hundred fifty-five".