11149092145 has 4 divisors (see below), whose sum is σ = 13378910580. Its totient is φ = 8919273712.

The previous prime is 11149092121. The next prime is 11149092179. The reversal of 11149092145 is 54129094111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54129094111 = 3457 ⋅15657823.

It can be written as a sum of positive squares in 2 ways, for example, as 5485476096 + 5663616049 = 74064^2 + 75257^2 .

It is a cyclic number.

It is not a de Polignac number, because 11149092145 - 2³³ = 2559157553 is a prime.

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, 1114909210 + ... + 1114909219.

It is an arithmetic number, because the mean of its divisors is an integer number (3344727645).

Almost surely, 2^11149092145 is an apocalyptic number.

It is an amenable number.

11149092145 is a deficient number, since it is larger than the sum of its proper divisors (2229818435).

11149092145 is an equidigital number, since it uses as much as digits as its factorization.

11149092145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229818434.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 11149092145 in words is "eleven billion, one hundred forty-nine million, ninety-two thousand, one hundred forty-five".