11388149922 has 16 divisors (see below), whose sum is σ = 22778982720. Its totient is φ = 3795602832.

The previous prime is 11388149921. The next prime is 11388149923. The reversal of 11388149922 is 22994188311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11388149921) and next prime (11388149923).

It is not an unprimeable number, because it can be changed into a prime (11388149921) 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, 54333 + ... + 160400.

It is an arithmetic number, because the mean of its divisors is an integer number (1423686420).

Almost surely, 2^11388149922 is an apocalyptic number.

11388149922 is an abundant number, since it is smaller than the sum of its proper divisors (11390832798).

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

11388149922 is a wasteful number, since it uses less digits than its factorization.

11388149922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223577.

The product of its digits is 248832, while the sum is 48.

The spelling of 11388149922 in words is "eleven billion, three hundred eighty-eight million, one hundred forty-nine thousand, nine hundred twenty-two".