111993357 has 8 divisors (see below), whose sum is σ = 170656576. Its totient is φ = 63996192.

The previous prime is 111993347. The next prime is 111993367. The reversal of 111993357 is 753399111.

It is an interprime number because it is at equal distance from previous prime (111993347) and next prime (111993367).

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

It is not a de Polignac number, because 111993357 - 2²² = 107799053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111993347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666488 + ... + 2666529.

It is an arithmetic number, because the mean of its divisors is an integer number (21332072).

Almost surely, 2^111993357 is an apocalyptic number.

It is an amenable number.

111993357 is a deficient number, since it is larger than the sum of its proper divisors (58663219).

111993357 is an equidigital number, since it uses as much as digits as its factorization.

111993357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333027.

The product of its digits is 25515, while the sum is 39.

The square root of 111993357 is about 10582.6913873551. The cubic root of 111993357 is about 482.0189225424.

The spelling of 111993357 in words is "one hundred eleven million, nine hundred ninety-three thousand, three hundred fifty-seven".