11385136249 has 8 divisors (see below), whose sum is σ = 12259170720. Its totient is φ = 10533804096.

The previous prime is 11385136211. The next prime is 11385136307. The reversal of 11385136249 is 94263158311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11385136249 - 2²¹ = 11383039097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11385136949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5674539 + ... + 5676544.

It is an arithmetic number, because the mean of its divisors is an integer number (1532396340).

Almost surely, 2^11385136249 is an apocalyptic number.

It is an amenable number.

11385136249 is a deficient number, since it is larger than the sum of its proper divisors (874034471).

11385136249 is a wasteful number, since it uses less digits than its factorization.

11385136249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351159.

The product of its digits is 155520, while the sum is 43.

The spelling of 11385136249 in words is "eleven billion, three hundred eighty-five million, one hundred thirty-six thousand, two hundred forty-nine".