111513515093 has 2 divisors, whose sum is σ = 111513515094. Its totient is φ = 111513515092.

The previous prime is 111513515089. The next prime is 111513515131. The reversal of 111513515093 is 390515315111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106375779409 + 5137735684 = 326153^2 + 71678^2 .

It is an emirp because it is prime and its reverse (390515315111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111513515093 - 2² = 111513515089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111513515023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55756757546 + 55756757547.

It is an arithmetic number, because the mean of its divisors is an integer number (55756757547).

Almost surely, 2^111513515093 is an apocalyptic number.

It is an amenable number.

111513515093 is a deficient number, since it is larger than the sum of its proper divisors (1).

111513515093 is an equidigital number, since it uses as much as digits as its factorization.

111513515093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10125, while the sum is 35.

The spelling of 111513515093 in words is "one hundred eleven billion, five hundred thirteen million, five hundred fifteen thousand, ninety-three".