11161304160 has 48 divisors (see below), whose sum is σ = 35158109616. Its totient is φ = 2976347648.

The previous prime is 11161304129. The next prime is 11161304177. The reversal of 11161304160 is 6140316111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11161304160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11625879 + ... + 11626838.

It is an arithmetic number, because the mean of its divisors is an integer number (732460617).

Almost surely, 2^11161304160 is an apocalyptic number.

11161304160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11161304160 is an abundant number, since it is smaller than the sum of its proper divisors (23996805456).

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

11161304160 is a wasteful number, since it uses less digits than its factorization.

11161304160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23252735 (or 23252727 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 11161304160 in words is "eleven billion, one hundred sixty-one million, three hundred four thousand, one hundred sixty".