1116661510501 has 2 divisors, whose sum is σ = 1116661510502. Its totient is φ = 1116661510500.

The previous prime is 1116661510487. The next prime is 1116661510543. The reversal of 1116661510501 is 1050151666111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011653756100 + 105007754401 = 1005810^2 + 324049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116661510501 - 2¹⁵ = 1116661477733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116661510001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558330755250 + 558330755251.

It is an arithmetic number, because the mean of its divisors is an integer number (558330755251).

Almost surely, 2^{1116661510501} is an apocalyptic number.

It is an amenable number.

1116661510501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116661510501 is an equidigital number, since it uses as much as digits as its factorization.

1116661510501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 1116661510501 in words is "one trillion, one hundred sixteen billion, six hundred sixty-one million, five hundred ten thousand, five hundred one".