11397968834 has 32 divisors (see below), whose sum is σ = 20196903936. Its totient is φ = 4720887360.

The previous prime is 11397968821. The next prime is 11397968863. The reversal of 11397968834 is 43886979311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311192 + ... + 345884.

It is an arithmetic number, because the mean of its divisors is an integer number (631153248).

Almost surely, 2^11397968834 is an apocalyptic number.

11397968834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11397968834 is a deficient number, since it is larger than the sum of its proper divisors (8798935102).

11397968834 is a wasteful number, since it uses less digits than its factorization.

11397968834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35490.

The product of its digits is 7838208, while the sum is 59.

The spelling of 11397968834 in words is "eleven billion, three hundred ninety-seven million, nine hundred sixty-eight thousand, eight hundred thirty-four".