111792381 has 8 divisors (see below), whose sum is σ = 151281504. Its totient is φ = 73415760.

The previous prime is 111792341. The next prime is 111792383. The reversal of 111792381 is 183297111.

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

It is not a de Polignac number, because 111792381 - 2²² = 107598077 is a prime.

It is a super-2 number, since 2×111792381² = 24995072899298322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111792383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277890 + ... + 278291.

It is an arithmetic number, because the mean of its divisors is an integer number (18910188).

Almost surely, 2^111792381 is an apocalyptic number.

It is an amenable number.

111792381 is a deficient number, since it is larger than the sum of its proper divisors (39489123).

111792381 is an equidigital number, since it uses as much as digits as its factorization.

111792381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556251.

The product of its digits is 3024, while the sum is 33.

The square root of 111792381 is about 10573.1916184282. The cubic root of 111792381 is about 481.7304166182.

The spelling of 111792381 in words is "one hundred eleven million, seven hundred ninety-two thousand, three hundred eighty-one".