111373378 has 4 divisors (see below), whose sum is σ = 167060070. Its totient is φ = 55686688.

The previous prime is 111373313. The next prime is 111373403. The reversal of 111373378 is 873373111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873373111 = 13 ⋅67182547.

It can be written as a sum of positive squares in only one way, i.e., 111365809 + 7569 = 10553^2 + 87^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27843343 + ... + 27843346.

Almost surely, 2^111373378 is an apocalyptic number.

111373378 is a deficient number, since it is larger than the sum of its proper divisors (55686692).

111373378 is an equidigital number, since it uses as much as digits as its factorization.

111373378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55686691.

The product of its digits is 10584, while the sum is 34.

The square root of 111373378 is about 10553.3586123092. The cubic root of 111373378 is about 481.1278138559.

The spelling of 111373378 in words is "one hundred eleven million, three hundred seventy-three thousand, three hundred seventy-eight".