11356539249 has 32 divisors (see below), whose sum is σ = 16616337408. Its totient is φ = 6842160000.

The previous prime is 11356539217. The next prime is 11356539253. The reversal of 11356539249 is 94293565311.

It is not a de Polignac number, because 11356539249 - 2⁵ = 11356539217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11356539198 and 11356539207.

It is not an unprimeable number, because it can be changed into a prime (11356539049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4450524 + ... + 4453074.

It is an arithmetic number, because the mean of its divisors is an integer number (519260544).

Almost surely, 2^11356539249 is an apocalyptic number.

It is an amenable number.

11356539249 is a deficient number, since it is larger than the sum of its proper divisors (5259798159).

11356539249 is a wasteful number, since it uses less digits than its factorization.

11356539249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309.

The product of its digits is 874800, while the sum is 48.

The spelling of 11356539249 in words is "eleven billion, three hundred fifty-six million, five hundred thirty-nine thousand, two hundred forty-nine".