1114991872517 has 2 divisors, whose sum is σ = 1114991872518. Its totient is φ = 1114991872516.

The previous prime is 1114991872499. The next prime is 1114991872541. The reversal of 1114991872517 is 7152781994111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1075615820161 + 39376052356 = 1037119^2 + 198434^2 .

It is a cyclic number.

It is not a de Polignac number, because 1114991872517 - 2¹⁴ = 1114991856133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114991872597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557495936258 + 557495936259.

It is an arithmetic number, because the mean of its divisors is an integer number (557495936259).

Almost surely, 2^{1114991872517} is an apocalyptic number.

It is an amenable number.

1114991872517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114991872517 is an equidigital number, since it uses as much as digits as its factorization.

1114991872517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 56.

The spelling of 1114991872517 in words is "one trillion, one hundred fourteen billion, nine hundred ninety-one million, eight hundred seventy-two thousand, five hundred seventeen".