11751270775 has 12 divisors (see below), whose sum is σ = 14623074232. Its totient is φ = 9367791840.

The previous prime is 11751270749. The next prime is 11751270799. The reversal of 11751270775 is 57707215711.

It is not a de Polignac number, because 11751270775 - 2⁵ = 11751270743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823404 + ... + 837553.

Almost surely, 2^11751270775 is an apocalyptic number.

11751270775 is a deficient number, since it is larger than the sum of its proper divisors (2871803457).

11751270775 is a wasteful number, since it uses less digits than its factorization.

11751270775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661250 (or 1661245 counting only the distinct ones).

The product of its (nonzero) digits is 120050, while the sum is 43.

The spelling of 11751270775 in words is "eleven billion, seven hundred fifty-one million, two hundred seventy thousand, seven hundred seventy-five".