11103532552 has 16 divisors (see below), whose sum is σ = 23793284160. Its totient is φ = 4758656784.

The previous prime is 11103532549. The next prime is 11103532579. The reversal of 11103532552 is 25523530111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11103532552.

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, 99138628 + ... + 99138739.

It is an arithmetic number, because the mean of its divisors is an integer number (1487080260).

Almost surely, 2^11103532552 is an apocalyptic number.

It is an amenable number.

11103532552 is an abundant number, since it is smaller than the sum of its proper divisors (12689751608).

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

11103532552 is a wasteful number, since it uses less digits than its factorization.

11103532552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198277380 (or 198277376 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 11103532552 in words is "eleven billion, one hundred three million, five hundred thirty-two thousand, five hundred fifty-two".