1115667919087 has 2 divisors, whose sum is σ = 1115667919088. Its totient is φ = 1115667919086.

The previous prime is 1115667919043. The next prime is 1115667919099. The reversal of 1115667919087 is 7809197665111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115667919087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115667910087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557833959543 + 557833959544.

It is an arithmetic number, because the mean of its divisors is an integer number (557833959544).

Almost surely, 2^{1115667919087} is an apocalyptic number.

1115667919087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115667919087 is an equidigital number, since it uses as much as digits as its factorization.

1115667919087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 61.

The spelling of 1115667919087 in words is "one trillion, one hundred fifteen billion, six hundred sixty-seven million, nine hundred nineteen thousand, eighty-seven".