11189794265 has 16 divisors (see below), whose sum is σ = 14464562448. Its totient is φ = 8261001216.

The previous prime is 11189794249. The next prime is 11189794271. The reversal of 11189794265 is 56249798111.

It can be written as a sum of positive squares in 8 ways, for example, as 553378576 + 10636415689 = 23524^2 + 103133^2 .

It is not a de Polignac number, because 11189794265 - 2⁴ = 11189794249 is a prime.

It is a super-2 number, since 2×11189794265² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242489 + ... + 284921.

It is an arithmetic number, because the mean of its divisors is an integer number (904035153).

Almost surely, 2^11189794265 is an apocalyptic number.

It is an amenable number.

11189794265 is a deficient number, since it is larger than the sum of its proper divisors (3274768183).

11189794265 is a wasteful number, since it uses less digits than its factorization.

11189794265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46508.

The product of its digits is 1088640, while the sum is 53.

The spelling of 11189794265 in words is "eleven billion, one hundred eighty-nine million, seven hundred ninety-four thousand, two hundred sixty-five".