11255552005 has 16 divisors (see below), whose sum is σ = 13712307840. Its totient is φ = 8868336192.

The previous prime is 11255551999. The next prime is 11255552039. The reversal of 11255552005 is 50025555211.

It is a cyclic number.

It is not a de Polignac number, because 11255552005 - 2³ = 11255551997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29182 + ... + 152848.

It is an arithmetic number, because the mean of its divisors is an integer number (857019240).

Almost surely, 2^11255552005 is an apocalyptic number.

It is an amenable number.

11255552005 is a deficient number, since it is larger than the sum of its proper divisors (2456755835).

11255552005 is a wasteful number, since it uses less digits than its factorization.

11255552005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123948.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 11255552005 in words is "eleven billion, two hundred fifty-five million, five hundred fifty-two thousand, five".