111110009599969 has 2 divisors, whose sum is σ = 111110009599970. Its totient is φ = 111110009599968.

The previous prime is 111110009599951. The next prime is 111110009600041. The reversal of 111110009599969 is 969995900011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73905657985600 + 37204351614369 = 8596840^2 + 6099537^2 .

It is a cyclic number.

It is not a de Polignac number, because 111110009599969 - 2¹¹ = 111110009597921 is a prime.

It is a super-2 number, since 2×111110009599969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111110009599949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555004799984 + 55555004799985.

It is an arithmetic number, because the mean of its divisors is an integer number (55555004799985).

Almost surely, 2^{111110009599969} is an apocalyptic number.

It is an amenable number.

111110009599969 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110009599969 is an equidigital number, since it uses as much as digits as its factorization.

111110009599969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1771470, while the sum is 61.

The spelling of 111110009599969 in words is "one hundred eleven trillion, one hundred ten billion, nine million, five hundred ninety-nine thousand, nine hundred sixty-nine".