11161875072 has 32 divisors (see below), whose sum is σ = 29648731680. Its totient is φ = 3720624896.

The previous prime is 11161875031. The next prime is 11161875083. The reversal of 11161875072 is 27057816111.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 11161875072.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14533308 + ... + 14534075.

It is an arithmetic number, because the mean of its divisors is an integer number (926522865).

Almost surely, 2^11161875072 is an apocalyptic number.

11161875072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11161875072 is an abundant number, since it is smaller than the sum of its proper divisors (18486856608).

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

11161875072 is an equidigital number, since it uses as much as digits as its factorization.

11161875072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29067400 (or 29067388 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 39.

The spelling of 11161875072 in words is "eleven billion, one hundred sixty-one million, eight hundred seventy-five thousand, seventy-two".