112111511 has 2 divisors, whose sum is σ = 112111512. Its totient is φ = 112111510.

The previous prime is 112111501. The next prime is 112111523. The reversal of 112111511 is 115111211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112111511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112111501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56055755 + 56055756.

It is an arithmetic number, because the mean of its divisors is an integer number (56055756).

Almost surely, 2^112111511 is an apocalyptic number.

112111511 is a deficient number, since it is larger than the sum of its proper divisors (1).

112111511 is an equidigital number, since it uses as much as digits as its factorization.

112111511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10, while the sum is 14.

The square root of 112111511 is about 10588.2723331052. The cubic root of 112111511 is about 482.1883743997.

Adding to 112111511 its reverse (115111211), we get a palindrome (227222722).

The spelling of 112111511 in words is "one hundred twelve million, one hundred eleven thousand, five hundred eleven".