11161850112 has 144 divisors (see below), whose sum is σ = 37723082880. Its totient is φ = 3189086208.

The previous prime is 11161850099. The next prime is 11161850137. The reversal of 11161850112 is 21105816111.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66963 + ... + 163730.

Almost surely, 2^11161850112 is an apocalyptic number.

11161850112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11161850112 is an abundant number, since it is smaller than the sum of its proper divisors (26561232768).

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

11161850112 is an equidigital number, since it uses as much as digits as its factorization.

11161850112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230725 (or 230705 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 27.

The spelling of 11161850112 in words is "eleven billion, one hundred sixty-one million, eight hundred fifty thousand, one hundred twelve".