111353542 has 4 divisors (see below), whose sum is σ = 167030316. Its totient is φ = 55676770.

The previous prime is 111353521. The next prime is 111353551. The reversal of 111353542 is 245353111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×111353542² = 24799222631891528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27838384 + ... + 27838387.

It is an arithmetic number, because the mean of its divisors is an integer number (41757579).

Almost surely, 2^111353542 is an apocalyptic number.

111353542 is a deficient number, since it is larger than the sum of its proper divisors (55676774).

111353542 is an equidigital number, since it uses as much as digits as its factorization.

111353542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55676773.

The product of its digits is 1800, while the sum is 25.

The square root of 111353542 is about 10552.4187748592. The cubic root of 111353542 is about 481.0992486274.

The spelling of 111353542 in words is "one hundred eleven million, three hundred fifty-three thousand, five hundred forty-two".