11011639459 has 8 divisors (see below), whose sum is σ = 11548738080. Its totient is φ = 10479401856.

The previous prime is 11011639453. The next prime is 11011639501. The reversal of 11011639459 is 95493611011.

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 11011639459 - 2¹¹ = 11011637411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011639453) 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, 1210614 + ... + 1219675.

It is an arithmetic number, because the mean of its divisors is an integer number (1443592260).

Almost surely, 2^11011639459 is an apocalyptic number.

11011639459 is a deficient number, since it is larger than the sum of its proper divisors (537098621).

11011639459 is a wasteful number, since it uses less digits than its factorization.

11011639459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430509.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 11011639459 in words is "eleven billion, eleven million, six hundred thirty-nine thousand, four hundred fifty-nine".