11056522499 has 32 divisors (see below), whose sum is σ = 12497172480. Its totient is φ = 9777768000.

The previous prime is 11056522483. The next prime is 11056522511. The reversal of 11056522499 is 99422565011.

It is a Cunningham number, because it is equal to 105150²-1.

It is not a de Polignac number, because 11056522499 - 2⁴ = 11056522483 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11056522999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7464839 + ... + 7466319.

It is an arithmetic number, because the mean of its divisors is an integer number (390536640).

Almost surely, 2^11056522499 is an apocalyptic number.

11056522499 is a deficient number, since it is larger than the sum of its proper divisors (1440649981).

11056522499 is an equidigital number, since it uses as much as digits as its factorization.

11056522499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 11056522499 in words is "eleven billion, fifty-six million, five hundred twenty-two thousand, four hundred ninety-nine".