111402340169 has 2 divisors, whose sum is σ = 111402340170. Its totient is φ = 111402340168.

The previous prime is 111402340157. The next prime is 111402340177. The reversal of 111402340169 is 961043204111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74264425225 + 37137914944 = 272515^2 + 192712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111402340169 is a prime.

It is a super-2 number, since 2×111402340169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111402340139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55701170084 + 55701170085.

It is an arithmetic number, because the mean of its divisors is an integer number (55701170085).

Almost surely, 2^111402340169 is an apocalyptic number.

It is an amenable number.

111402340169 is a deficient number, since it is larger than the sum of its proper divisors (1).

111402340169 is an equidigital number, since it uses as much as digits as its factorization.

111402340169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 111402340169 in words is "one hundred eleven billion, four hundred two million, three hundred forty thousand, one hundred sixty-nine".