1611117742219 has 2 divisors, whose sum is σ = 1611117742220. Its totient is φ = 1611117742218.

The previous prime is 1611117742127. The next prime is 1611117742237. The reversal of 1611117742219 is 9122477111161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1611117742219 - 2¹⁵ = 1611117709451 is a prime.

It is a super-2 number, since 2×1611117742219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1611117742319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805558871109 + 805558871110.

It is an arithmetic number, because the mean of its divisors is an integer number (805558871110).

Almost surely, 2^{1611117742219} is an apocalyptic number.

1611117742219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1611117742219 is an equidigital number, since it uses as much as digits as its factorization.

1611117742219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 43.

The spelling of 1611117742219 in words is "one trillion, six hundred eleven billion, one hundred seventeen million, seven hundred forty-two thousand, two hundred nineteen".