111697867609420 has 48 divisors (see below), whose sum is σ = 235629196901280. Its totient is φ = 44476635024896.

The previous prime is 111697867609411. The next prime is 111697867609439. The reversal of 111697867609420 is 24906768796111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16392174 + ... + 22183306.

It is an arithmetic number, because the mean of its divisors is an integer number (4908941602110).

Almost surely, 2^{111697867609420} is an apocalyptic number.

111697867609420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111697867609420 is an abundant number, since it is smaller than the sum of its proper divisors (123931329291860).

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

111697867609420 is a wasteful number, since it uses less digits than its factorization.

111697867609420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795514 (or 5795512 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 67.

The spelling of 111697867609420 in words is "one hundred eleven trillion, six hundred ninety-seven billion, eight hundred sixty-seven million, six hundred nine thousand, four hundred twenty".