11111000552 has 16 divisors (see below), whose sum is σ = 20834426400. Its totient is φ = 5555153520.

The previous prime is 11111000513. The next prime is 11111000587. The reversal of 11111000552 is 25500011111.

It is a self number, because there is not a number n which added to its sum of digits gives 11111000552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136949 + ... + 202427.

It is an arithmetic number, because the mean of its divisors is an integer number (1302151650).

Almost surely, 2^11111000552 is an apocalyptic number.

It is an amenable number.

11111000552 is a deficient number, since it is larger than the sum of its proper divisors (9723425848).

11111000552 is a wasteful number, since it uses less digits than its factorization.

11111000552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86696 (or 86692 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 17.

Adding to 11111000552 its reverse (25500011111), we get a palindrome (36611011663).

The spelling of 11111000552 in words is "eleven billion, one hundred eleven million, five hundred fifty-two", and thus it is an aban number.