111000000009499 has 2 divisors, whose sum is σ = 111000000009500. Its totient is φ = 111000000009498.

The previous prime is 111000000009463. The next prime is 111000000009529. The reversal of 111000000009499 is 994900000000111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111000000009499 - 2¹¹ = 111000000007451 is a prime.

It is a super-3 number, since 3×111000000009499³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111000000009419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500000004749 + 55500000004750.

It is an arithmetic number, because the mean of its divisors is an integer number (55500000004750).

Almost surely, 2^{111000000009499} is an apocalyptic number.

111000000009499 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000000009499 is an equidigital number, since it uses as much as digits as its factorization.

111000000009499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 111000000009499 in words is "one hundred eleven trillion, nine thousand, four hundred ninety-nine".