11207989842 has 16 divisors (see below), whose sum is σ = 25618262592. Its totient is φ = 3202282800.

The previous prime is 11207989841. The next prime is 11207989867. The reversal of 11207989842 is 24898970211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11207989841) 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, 133428409 + ... + 133428492.

It is an arithmetic number, because the mean of its divisors is an integer number (1601141412).

Almost surely, 2^11207989842 is an apocalyptic number.

11207989842 is an abundant number, since it is smaller than the sum of its proper divisors (14410272750).

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

11207989842 is a wasteful number, since it uses less digits than its factorization.

11207989842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266856913.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 11207989842 in words is "eleven billion, two hundred seven million, nine hundred eighty-nine thousand, eight hundred forty-two".