11159901161 has 8 divisors (see below), whose sum is σ = 11822090880. Its totient is φ = 10505194128.

The previous prime is 11159901149. The next prime is 11159901211. The reversal of 11159901161 is 16110995111.

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 11159901161 - 2⁶ = 11159901097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11159901661) 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, 1867601 + ... + 1873566.

It is an arithmetic number, because the mean of its divisors is an integer number (1477761360).

Almost surely, 2^11159901161 is an apocalyptic number.

It is an amenable number.

11159901161 is a deficient number, since it is larger than the sum of its proper divisors (662189719).

11159901161 is a wasteful number, since it uses less digits than its factorization.

11159901161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741343.

The product of its (nonzero) digits is 2430, while the sum is 35.

The spelling of 11159901161 in words is "eleven billion, one hundred fifty-nine million, nine hundred one thousand, one hundred sixty-one".