11056005519 has 24 divisors (see below), whose sum is σ = 15983129232. Its totient is φ = 6794910720.

The previous prime is 11056005517. The next prime is 11056005529. The reversal of 11056005519 is 91550065011.

It is not a de Polignac number, because 11056005519 - 2¹ = 11056005517 is a prime.

It is a super-2 number, since 2×11056005519² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11056005519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056005517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390399 + ... + 417759.

It is an arithmetic number, because the mean of its divisors is an integer number (665963718).

Almost surely, 2^11056005519 is an apocalyptic number.

11056005519 is a deficient number, since it is larger than the sum of its proper divisors (4927123713).

11056005519 is a wasteful number, since it uses less digits than its factorization.

11056005519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28187 (or 28174 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 33.

The spelling of 11056005519 in words is "eleven billion, fifty-six million, five thousand, five hundred nineteen".