11342602409 has 4 divisors (see below), whose sum is σ = 11733726660. Its totient is φ = 10951478160.

The previous prime is 11342602367. The next prime is 11342602417. The reversal of 11342602409 is 90420624311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90420624311 = 257 ⋅351831223.

It can be written as a sum of positive squares in 2 ways, for example, as 3233059600 + 8109542809 = 56860^2 + 90053^2 .

It is a cyclic number.

It is not a de Polignac number, because 11342602409 - 2²⁴ = 11325825193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11342602489) 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, 195562082 + ... + 195562139.

It is an arithmetic number, because the mean of its divisors is an integer number (2933431665).

Almost surely, 2^11342602409 is an apocalyptic number.

It is an amenable number.

11342602409 is a deficient number, since it is larger than the sum of its proper divisors (391124251).

11342602409 is an equidigital number, since it uses as much as digits as its factorization.

11342602409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391124250.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 11342602409 in words is "eleven billion, three hundred forty-two million, six hundred two thousand, four hundred nine".