11097963918 has 24 divisors (see below), whose sum is σ = 24071178456. Its totient is φ = 3695384400.

The previous prime is 11097963917. The next prime is 11097963941. The reversal of 11097963918 is 81936979011.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11097963917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310668 + ... + 344543.

It is an arithmetic number, because the mean of its divisors is an integer number (1002965769).

Almost surely, 2^11097963918 is an apocalyptic number.

11097963918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11097963918 is an abundant number, since it is smaller than the sum of its proper divisors (12973214538).

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

11097963918 is a wasteful number, since it uses less digits than its factorization.

11097963918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656160 (or 656157 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The spelling of 11097963918 in words is "eleven billion, ninety-seven million, nine hundred sixty-three thousand, nine hundred eighteen".