111385453 has 2 divisors, whose sum is σ = 111385454. Its totient is φ = 111385452.

The previous prime is 111385381. The next prime is 111385457. The reversal of 111385453 is 354583111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109035364 + 2350089 = 10442^2 + 1533^2 .

It is a cyclic number.

It is not a de Polignac number, because 111385453 - 2⁹ = 111384941 is a prime.

It is equal to p_6378007 and since 111385453 and 6378007 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111385457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55692726 + 55692727.

It is an arithmetic number, because the mean of its divisors is an integer number (55692727).

Almost surely, 2^111385453 is an apocalyptic number.

It is an amenable number.

111385453 is a deficient number, since it is larger than the sum of its proper divisors (1).

111385453 is an equidigital number, since it uses as much as digits as its factorization.

111385453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 111385453 is about 10553.9306895583. The cubic root of 111385453 is about 481.1452010403.

The spelling of 111385453 in words is "one hundred eleven million, three hundred eighty-five thousand, four hundred fifty-three".