11845345269 has 4 divisors (see below), whose sum is σ = 15793793696. Its totient is φ = 7896896844.

The previous prime is 11845345261. The next prime is 11845345277. The reversal of 11845345269 is 96254354811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11845345261) and next prime (11845345277).

It is not a de Polignac number, because 11845345269 - 2³ = 11845345261 is a prime.

It is a super-2 number, since 2×11845345269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11845345261) 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, 1974224209 + ... + 1974224214.

It is an arithmetic number, because the mean of its divisors is an integer number (3948448424).

Almost surely, 2^11845345269 is an apocalyptic number.

It is an amenable number.

11845345269 is a deficient number, since it is larger than the sum of its proper divisors (3948448427).

11845345269 is an equidigital number, since it uses as much as digits as its factorization.

11845345269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948448426.

The product of its digits is 1036800, while the sum is 48.

The spelling of 11845345269 in words is "eleven billion, eight hundred forty-five million, three hundred forty-five thousand, two hundred sixty-nine".