1111104523 has 2 divisors, whose sum is σ = 1111104524. Its totient is φ = 1111104522.

The previous prime is 1111104509. The next prime is 1111104541. The reversal of 1111104523 is 3254011111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111104523 - 2²⁵ = 1077550091 is a prime.

It is a super-2 number, since 2×1111104523² = 2469106522062115058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111104523.

It is not a weakly prime, because it can be changed into another prime (1111104503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555552261 + 555552262.

It is an arithmetic number, because the mean of its divisors is an integer number (555552262).

Almost surely, 2^1111104523 is an apocalyptic number.

1111104523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111104523 is an equidigital number, since it uses as much as digits as its factorization.

1111104523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1111104523 is about 33333.2345115202. The cubic root of 1111104523 is about 1035.7421215679.

Adding to 1111104523 its reverse (3254011111), we get a palindrome (4365115634).

The spelling of 1111104523 in words is "one billion, one hundred eleven million, one hundred four thousand, five hundred twenty-three".