11293145749 has 4 divisors (see below), whose sum is σ = 11293957836. Its totient is φ = 11292333664.

The previous prime is 11293145711. The next prime is 11293145753. The reversal of 11293145749 is 94754139211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8912681649 + 2380464100 = 94407^2 + 48790^2 .

It is a cyclic number.

It is not a de Polignac number, because 11293145749 - 2²¹ = 11291048597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11293145699 and 11293145708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11293145779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384814 + ... + 413119.

It is an arithmetic number, because the mean of its divisors is an integer number (2823489459).

Almost surely, 2^11293145749 is an apocalyptic number.

It is an amenable number.

11293145749 is a deficient number, since it is larger than the sum of its proper divisors (812087).

11293145749 is an equidigital number, since it uses as much as digits as its factorization.

11293145749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812086.

The product of its digits is 272160, while the sum is 46.

The spelling of 11293145749 in words is "eleven billion, two hundred ninety-three million, one hundred forty-five thousand, seven hundred forty-nine".