1166292000521 has 2 divisors, whose sum is σ = 1166292000522. Its totient is φ = 1166292000520.

The previous prime is 1166292000493. The next prime is 1166292000529. The reversal of 1166292000521 is 1250002926611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1153035702025 + 13256298496 = 1073795^2 + 115136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166292000521 - 2²² = 1166287806217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166292000529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583146000260 + 583146000261.

It is an arithmetic number, because the mean of its divisors is an integer number (583146000261).

Almost surely, 2^{1166292000521} is an apocalyptic number.

It is an amenable number.

1166292000521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166292000521 is an equidigital number, since it uses as much as digits as its factorization.

1166292000521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 1166292000521 in words is "one trillion, one hundred sixty-six billion, two hundred ninety-two million, five hundred twenty-one", and thus it is an aban number.