11056522501 has 4 divisors (see below), whose sum is σ = 11130727500. Its totient is φ = 10982317504.

The previous prime is 11056522483. The next prime is 11056522511. The reversal of 11056522501 is 10522565011.

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

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1295280100 + 9761242401 = 35990^2 + 98799^2 .

It is a cyclic number.

It is not a de Polignac number, because 11056522501 - 2¹⁷ = 11056391429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11056522501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056522511) 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, 37102276 + ... + 37102573.

It is an arithmetic number, because the mean of its divisors is an integer number (2782681875).

Almost surely, 2^11056522501 is an apocalyptic number.

It is an amenable number.

11056522501 is a deficient number, since it is larger than the sum of its proper divisors (74204999).

11056522501 is an equidigital number, since it uses as much as digits as its factorization.

11056522501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74204998.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 11056522501 in words is "eleven billion, fifty-six million, five hundred twenty-two thousand, five hundred one".