11005100556 has 48 divisors (see below), whose sum is σ = 25780930560. Its totient is φ = 3653775360.

The previous prime is 11005100539. The next prime is 11005100581. The reversal of 11005100556 is 65500150011.

It is a super-2 number, since 2×11005100556² (a number of 21 digits) contains 22 as substring.

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, 3975885 + ... + 3978651.

It is an arithmetic number, because the mean of its divisors is an integer number (537102720).

Almost surely, 2^11005100556 is an apocalyptic number.

It is an amenable number.

11005100556 is an abundant number, since it is smaller than the sum of its proper divisors (14775830004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11005100556 is a wasteful number, since it uses less digits than its factorization.

11005100556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974 (or 3972 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 11005100556 its reverse (65500150011), we get a palindrome (76505250567).

The spelling of 11005100556 in words is "eleven billion, five million, one hundred thousand, five hundred fifty-six".