111715013 has 2 divisors, whose sum is σ = 111715014. Its totient is φ = 111715012.

The previous prime is 111714983. The next prime is 111715027. The reversal of 111715013 is 310517111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87291649 + 24423364 = 9343^2 + 4942^2 .

It is a cyclic number.

It is not a de Polignac number, because 111715013 - 2¹² = 111710917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111715033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55857506 + 55857507.

It is an arithmetic number, because the mean of its divisors is an integer number (55857507).

Almost surely, 2^111715013 is an apocalyptic number.

It is an amenable number.

111715013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111715013 is an equidigital number, since it uses as much as digits as its factorization.

111715013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 20.

The square root of 111715013 is about 10569.5322980726. The cubic root of 111715013 is about 481.6192608019.

The spelling of 111715013 in words is "one hundred eleven million, seven hundred fifteen thousand, thirteen".