11261603552 has 24 divisors (see below), whose sum is σ = 22204967400. Its totient is φ = 5622246784.

The previous prime is 11261603543. The next prime is 11261603567. The reversal of 11261603552 is 25530616211.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 245927 + ... + 288102.

It is an arithmetic number, because the mean of its divisors is an integer number (925206975).

Almost surely, 2^11261603552 is an apocalyptic number.

It is an amenable number.

11261603552 is a deficient number, since it is larger than the sum of its proper divisors (10943363848).

11261603552 is an equidigital number, since it uses as much as digits as its factorization.

11261603552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534698 (or 534690 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 11261603552 in words is "eleven billion, two hundred sixty-one million, six hundred three thousand, five hundred fifty-two".