111553319 has 2 divisors, whose sum is σ = 111553320. Its totient is φ = 111553318.

The previous prime is 111553307. The next prime is 111553327. The reversal of 111553319 is 913355111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111553319 - 2⁸ = 111553063 is a prime.

It is a super-2 number, since 2×111553319² = 24888285959831522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 111553291 and 111553300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111553339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55776659 + 55776660.

It is an arithmetic number, because the mean of its divisors is an integer number (55776660).

Almost surely, 2^111553319 is an apocalyptic number.

111553319 is a deficient number, since it is larger than the sum of its proper divisors (1).

111553319 is an equidigital number, since it uses as much as digits as its factorization.

111553319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2025, while the sum is 29.

The square root of 111553319 is about 10561.8804670381. The cubic root of 111553319 is about 481.3867866864.

The spelling of 111553319 in words is "one hundred eleven million, five hundred fifty-three thousand, three hundred nineteen".