11056245551 has 16 divisors (see below), whose sum is σ = 12007039968. Its totient is φ = 10119907200.

The previous prime is 11056245523. The next prime is 11056245589. The reversal of 11056245551 is 15554265011.

It is a de Polignac number, because none of the positive numbers 2^k-11056245551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056245251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4217021 + ... + 4219641.

It is an arithmetic number, because the mean of its divisors is an integer number (750439998).

Almost surely, 2^11056245551 is an apocalyptic number.

11056245551 is a deficient number, since it is larger than the sum of its proper divisors (950794417).

11056245551 is a wasteful number, since it uses less digits than its factorization.

11056245551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 11056245551 in words is "eleven billion, fifty-six million, two hundred forty-five thousand, five hundred fifty-one".