111677613 has 4 divisors (see below), whose sum is σ = 148903488. Its totient is φ = 74451740.

The previous prime is 111677609. The next prime is 111677633. The reversal of 111677613 is 316776111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111677613 - 2² = 111677609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111677603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18612933 + ... + 18612938.

It is an arithmetic number, because the mean of its divisors is an integer number (37225872).

Almost surely, 2^111677613 is an apocalyptic number.

It is an amenable number.

111677613 is a deficient number, since it is larger than the sum of its proper divisors (37225875).

111677613 is an equidigital number, since it uses as much as digits as its factorization.

111677613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37225874.

The product of its digits is 5292, while the sum is 33.

The square root of 111677613 is about 10567.7629136918. The cubic root of 111677613 is about 481.5655092356.

The spelling of 111677613 in words is "one hundred eleven million, six hundred seventy-seven thousand, six hundred thirteen".