111373513 has 2 divisors, whose sum is σ = 111373514. Its totient is φ = 111373512.

The previous prime is 111373487. The next prime is 111373529. The reversal of 111373513 is 315373111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109265209 + 2108304 = 10453^2 + 1452^2 .

It is a cyclic number.

It is not a de Polignac number, because 111373513 - 2⁵ = 111373481 is a prime.

It is a super-2 number, since 2×111373513² = 24808118795922338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111373583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55686756 + 55686757.

It is an arithmetic number, because the mean of its divisors is an integer number (55686757).

Almost surely, 2^111373513 is an apocalyptic number.

It is an amenable number.

111373513 is a deficient number, since it is larger than the sum of its proper divisors (1).

111373513 is an equidigital number, since it uses as much as digits as its factorization.

111373513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 945, while the sum is 25.

The square root of 111373513 is about 10553.3650083753. The cubic root of 111373513 is about 481.1280082537.

The spelling of 111373513 in words is "one hundred eleven million, three hundred seventy-three thousand, five hundred thirteen".