1087737456691 has 2 divisors, whose sum is σ = 1087737456692. Its totient is φ = 1087737456690.

The previous prime is 1087737456613. The next prime is 1087737456733. The reversal of 1087737456691 is 1966547377801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1087737456691 - 2²⁷ = 1087603238963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1087737456391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543868728345 + 543868728346.

It is an arithmetic number, because the mean of its divisors is an integer number (543868728346).

Almost surely, 2^{1087737456691} is an apocalyptic number.

1087737456691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087737456691 is an equidigital number, since it uses as much as digits as its factorization.

1087737456691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53343360, while the sum is 64.

The spelling of 1087737456691 in words is "one trillion, eighty-seven billion, seven hundred thirty-seven million, four hundred fifty-six thousand, six hundred ninety-one".