11775457711 has 8 divisors (see below), whose sum is σ = 12679457040. Its totient is φ = 10894939008.

The previous prime is 11775457699. The next prime is 11775457739.

11775457711 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 11775457711 - 2¹⁷ = 11775326639 is a prime.

It is a super-2 number, since 2×11775457711² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11775457781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5869116 + ... + 5871121.

It is an arithmetic number, because the mean of its divisors is an integer number (1584932130).

Almost surely, 2^11775457711 is an apocalyptic number.

11775457711 is a deficient number, since it is larger than the sum of its proper divisors (903999329).

11775457711 is a wasteful number, since it uses less digits than its factorization.

11775457711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11740313.

The product of its digits is 240100, while the sum is 46.

The spelling of 11775457711 in words is "eleven billion, seven hundred seventy-five million, four hundred fifty-seven thousand, seven hundred eleven".