111142040515069 has 2 divisors, whose sum is σ = 111142040515070. Its totient is φ = 111142040515068.

The previous prime is 111142040514949. The next prime is 111142040515081. The reversal of 111142040515069 is 960515040241111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103562271668025 + 7579768847044 = 10176555^2 + 2753138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111142040515069 is a prime.

It is a super-2 number, since 2×111142040515069² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111142040515169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55571020257534 + 55571020257535.

It is an arithmetic number, because the mean of its divisors is an integer number (55571020257535).

Almost surely, 2^{111142040515069} is an apocalyptic number.

It is an amenable number.

111142040515069 is a deficient number, since it is larger than the sum of its proper divisors (1).

111142040515069 is an equidigital number, since it uses as much as digits as its factorization.

111142040515069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 40.

The spelling of 111142040515069 in words is "one hundred eleven trillion, one hundred forty-two billion, forty million, five hundred fifteen thousand, sixty-nine".