11356949994 has 32 divisors (see below), whose sum is σ = 25900015680. Its totient is φ = 3288890112.

The previous prime is 11356949993. The next prime is 11356950067. The reversal of 11356949994 is 49994965311.

It is not an unprimeable number, because it can be changed into a prime (11356949993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4281084 + ... + 4283735.

It is an arithmetic number, because the mean of its divisors is an integer number (809375490).

Almost surely, 2^11356949994 is an apocalyptic number.

11356949994 is an abundant number, since it is smaller than the sum of its proper divisors (14543065686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11356949994 is a wasteful number, since it uses less digits than its factorization.

11356949994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564854.

The product of its digits is 9447840, while the sum is 60.

The spelling of 11356949994 in words is "eleven billion, three hundred fifty-six million, nine hundred forty-nine thousand, nine hundred ninety-four".