11475923872 has 48 divisors (see below), whose sum is σ = 26347809600. Its totient is φ = 4918248384.

The previous prime is 11475923843. The next prime is 11475923873. The reversal of 11475923872 is 27832957411.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (11475923873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511798 + ... + 533749.

It is an arithmetic number, because the mean of its divisors is an integer number (548912700).

Almost surely, 2^11475923872 is an apocalyptic number.

It is an amenable number.

11475923872 is an abundant number, since it is smaller than the sum of its proper divisors (14871885728).

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

11475923872 is an equidigital number, since it uses as much as digits as its factorization.

11475923872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045578 (or 1045556 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The spelling of 11475923872 in words is "eleven billion, four hundred seventy-five million, nine hundred twenty-three thousand, eight hundred seventy-two".