1115166149837 has 2 divisors, whose sum is σ = 1115166149838. Its totient is φ = 1115166149836.

The previous prime is 1115166149833. The next prime is 1115166149893. The reversal of 1115166149837 is 7389416615111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1099035625801 + 16130524036 = 1048349^2 + 127006^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115166149837 - 2² = 1115166149833 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115166149833) 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, 557583074918 + 557583074919.

It is an arithmetic number, because the mean of its divisors is an integer number (557583074919).

Almost surely, 2^{1115166149837} is an apocalyptic number.

It is an amenable number.

1115166149837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115166149837 is an equidigital number, since it uses as much as digits as its factorization.

1115166149837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 53.

The spelling of 1115166149837 in words is "one trillion, one hundred fifteen billion, one hundred sixty-six million, one hundred forty-nine thousand, eight hundred thirty-seven".