11105050161 has 16 divisors (see below), whose sum is σ = 15198568704. Its totient is φ = 7209049344.

The previous prime is 11105050153. The next prime is 11105050169. The reversal of 11105050161 is 16105050111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11105050153) and next prime (11105050169).

It is not a de Polignac number, because 11105050161 - 2³ = 11105050153 is a prime.

It is a super-2 number, since 2×11105050161² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11105050169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172120 + ... + 227673.

It is an arithmetic number, because the mean of its divisors is an integer number (949910544).

Almost surely, 2^11105050161 is an apocalyptic number.

It is an amenable number.

11105050161 is a deficient number, since it is larger than the sum of its proper divisors (4093518543).

11105050161 is a wasteful number, since it uses less digits than its factorization.

11105050161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400040.

The product of its (nonzero) digits is 150, while the sum is 21.

The spelling of 11105050161 in words is "eleven billion, one hundred five million, fifty thousand, one hundred sixty-one".