11136250165 has 4 divisors (see below), whose sum is σ = 13363500204. Its totient is φ = 8909000128.

The previous prime is 11136250159. The next prime is 11136250243. The reversal of 11136250165 is 56105263111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56105263111 = 9521 ⋅5892791.

It can be written as a sum of positive squares in 2 ways, for example, as 6342211044 + 4794039121 = 79638^2 + 69239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11136250165 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113625012 + ... + 1113625021.

It is an arithmetic number, because the mean of its divisors is an integer number (3340875051).

Almost surely, 2^11136250165 is an apocalyptic number.

It is an amenable number.

11136250165 is a deficient number, since it is larger than the sum of its proper divisors (2227250039).

11136250165 is an equidigital number, since it uses as much as digits as its factorization.

11136250165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227250038.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 11136250165 in words is "eleven billion, one hundred thirty-six million, two hundred fifty thousand, one hundred sixty-five".