111553402 has 4 divisors (see below), whose sum is σ = 167330106. Its totient is φ = 55776700.

The previous prime is 111553397. The next prime is 111553423. The reversal of 111553402 is 204355111.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 75325041 + 36228361 = 8679^2 + 6019^2 .

It is a super-2 number, since 2×111553402² = 24888322995547208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27888349 + ... + 27888352.

Almost surely, 2^111553402 is an apocalyptic number.

111553402 is a deficient number, since it is larger than the sum of its proper divisors (55776704).

111553402 is an equidigital number, since it uses as much as digits as its factorization.

111553402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55776703.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 111553402 is about 10561.8843962619. The cubic root of 111553402 is about 481.3869060765.

The spelling of 111553402 in words is "one hundred eleven million, five hundred fifty-three thousand, four hundred two".