11380243506 has 16 divisors (see below), whose sum is σ = 22995132384. Its totient is φ = 3754306944.

The previous prime is 11380243493. The next prime is 11380243507. The reversal of 11380243506 is 60534208311.

It is not an unprimeable number, because it can be changed into a prime (11380243507) 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, 9776260 + ... + 9777423.

It is an arithmetic number, because the mean of its divisors is an integer number (1437195774).

Almost surely, 2^11380243506 is an apocalyptic number.

11380243506 is an abundant number, since it is smaller than the sum of its proper divisors (11614888878).

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

11380243506 is a wasteful number, since it uses less digits than its factorization.

11380243506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19553785.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 11380243506 in words is "eleven billion, three hundred eighty million, two hundred forty-three thousand, five hundred six".