11056126161 has 32 divisors (see below), whose sum is σ = 15361920000. Its totient is φ = 7065354240.

The previous prime is 11056126127. The next prime is 11056126189. The reversal of 11056126161 is 16162165011.

It is not a de Polignac number, because 11056126161 - 2⁷ = 11056126033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11056125161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6220905 + ... + 6222681.

It is an arithmetic number, because the mean of its divisors is an integer number (480060000).

Almost surely, 2^11056126161 is an apocalyptic number.

It is an amenable number.

11056126161 is a deficient number, since it is larger than the sum of its proper divisors (4305793839).

11056126161 is a wasteful number, since it uses less digits than its factorization.

11056126161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409.

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 11056126161 in words is "eleven billion, fifty-six million, one hundred twenty-six thousand, one hundred sixty-one".