11297436918 has 8 divisors (see below), whose sum is σ = 22594873848. Its totient is φ = 3765812304.

The previous prime is 11297436901. The next prime is 11297436923. The reversal of 11297436918 is 81963479211.

It is a sphenic number, since it is the product of 3 distinct primes.

11297436918 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941453071 + ... + 941453082.

It is an arithmetic number, because the mean of its divisors is an integer number (2824359231).

Almost surely, 2^11297436918 is an apocalyptic number.

11297436918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11297436918 is a wasteful number, since it uses less digits than its factorization.

11297436918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882906158.

The product of its digits is 653184, while the sum is 51.

The spelling of 11297436918 in words is "eleven billion, two hundred ninety-seven million, four hundred thirty-six thousand, nine hundred eighteen".