11165156133 has 16 divisors (see below), whose sum is σ = 15537899520. Its totient is φ = 7118082224.

The previous prime is 11165156129. The next prime is 11165156141. The reversal of 11165156133 is 33165156111.

It is a cyclic number.

It is not a de Polignac number, because 11165156133 - 2² = 11165156129 is a prime.

It is a super-2 number, since 2×11165156133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11165156094 and 11165156103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11165156153) 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, 305560 + ... + 340142.

It is an arithmetic number, because the mean of its divisors is an integer number (971118720).

Almost surely, 2^11165156133 is an apocalyptic number.

It is an amenable number.

11165156133 is a deficient number, since it is larger than the sum of its proper divisors (4372743387).

11165156133 is a wasteful number, since it uses less digits than its factorization.

11165156133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39288.

The product of its digits is 8100, while the sum is 33.

The spelling of 11165156133 in words is "eleven billion, one hundred sixty-five million, one hundred fifty-six thousand, one hundred thirty-three".