11504516161 has 8 divisors (see below), whose sum is σ = 11636004800. Its totient is φ = 11373764688.

The previous prime is 11504516147. The next prime is 11504516167. The reversal of 11504516161 is 16161540511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11504516161 - 2⁵ = 11504516129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11504516167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152871 + ... + 215356.

It is an arithmetic number, because the mean of its divisors is an integer number (1454500600).

Almost surely, 2^11504516161 is an apocalyptic number.

It is an amenable number.

11504516161 is a deficient number, since it is larger than the sum of its proper divisors (131488639).

11504516161 is a wasteful number, since it uses less digits than its factorization.

11504516161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368583.

The product of its (nonzero) digits is 3600, while the sum is 31.

The spelling of 11504516161 in words is "eleven billion, five hundred four million, five hundred sixteen thousand, one hundred sixty-one".