11782056001 has 4 divisors (see below), whose sum is σ = 11813143600. Its totient is φ = 11750968404.

The previous prime is 11782055993. The next prime is 11782056019. The reversal of 11782056001 is 10065028711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11782056001 - 2³ = 11782055993 is a prime.

It is a super-2 number, since 2×11782056001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11782056101) 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, 15543231 + ... + 15543988.

It is an arithmetic number, because the mean of its divisors is an integer number (2953285900).

Almost surely, 2^11782056001 is an apocalyptic number.

It is an amenable number.

11782056001 is a deficient number, since it is larger than the sum of its proper divisors (31087599).

11782056001 is an equidigital number, since it uses as much as digits as its factorization.

11782056001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31087598.

The product of its (nonzero) digits is 3360, while the sum is 31.

The spelling of 11782056001 in words is "eleven billion, seven hundred eighty-two million, fifty-six thousand, one".