11572266544 has 10 divisors (see below), whose sum is σ = 22421266460. Its totient is φ = 5786133264.

The previous prime is 11572266493. The next prime is 11572266619. The reversal of 11572266544 is 44566227511.

It is a self number, because there is not a number n which added to its sum of digits gives 11572266544.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361633314 + ... + 361633345.

It is an arithmetic number, because the mean of its divisors is an integer number (2242126646).

Almost surely, 2^11572266544 is an apocalyptic number.

It is an amenable number.

11572266544 is a deficient number, since it is larger than the sum of its proper divisors (10848999916).

11572266544 is an equidigital number, since it uses as much as digits as its factorization.

11572266544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723266667 (or 723266661 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The spelling of 11572266544 in words is "eleven billion, five hundred seventy-two million, two hundred sixty-six thousand, five hundred forty-four".