11118734490 has 16 divisors (see below), whose sum is σ = 26684962848. Its totient is φ = 2964995856.

The previous prime is 11118734477. The next prime is 11118734509. The reversal of 11118734490 is 9443781111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185312212 + ... + 185312271.

It is an arithmetic number, because the mean of its divisors is an integer number (1667810178).

Almost surely, 2^11118734490 is an apocalyptic number.

11118734490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11118734490 is an abundant number, since it is smaller than the sum of its proper divisors (15566228358).

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

11118734490 is a wasteful number, since it uses less digits than its factorization.

11118734490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370624493.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 11118734490 in words is "eleven billion, one hundred eighteen million, seven hundred thirty-four thousand, four hundred ninety".