11779267456 has 32 divisors (see below), whose sum is σ = 25599831480. Its totient is φ = 5354211840.

The previous prime is 11779267453. The next prime is 11779267481. The reversal of 11779267456 is 65476297711.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×11779267456² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11779267397 and 11779267406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11779267453) 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, 4181571 + ... + 4184386.

Almost surely, 2^11779267456 is an apocalyptic number.

11779267456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11779267456 is an abundant number, since it is smaller than the sum of its proper divisors (13820564024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11779267456 is an equidigital number, since it uses as much as digits as its factorization.

11779267456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8365982 (or 8365970 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 55.

The spelling of 11779267456 in words is "eleven billion, seven hundred seventy-nine million, two hundred sixty-seven thousand, four hundred fifty-six".