111696406 has 4 divisors (see below), whose sum is σ = 167544612. Its totient is φ = 55848202.

The previous prime is 111696401. The next prime is 111696427. The reversal of 111696406 is 604696111.

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: 604696111 = 61 ⋅9913051.

It is a super-2 number, since 2×111696406² = 24952174226633672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111696401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27924100 + ... + 27924103.

It is an arithmetic number, because the mean of its divisors is an integer number (41886153).

Almost surely, 2^111696406 is an apocalyptic number.

111696406 is a deficient number, since it is larger than the sum of its proper divisors (55848206).

111696406 is an equidigital number, since it uses as much as digits as its factorization.

111696406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55848205.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 111696406 is about 10568.6520427158. The cubic root of 111696406 is about 481.5925201789.

The spelling of 111696406 in words is "one hundred eleven million, six hundred ninety-six thousand, four hundred six".