1010860398991 has 2 divisors, whose sum is σ = 1010860398992. Its totient is φ = 1010860398990.

The previous prime is 1010860398893. The next prime is 1010860399009. The reversal of 1010860398991 is 1998930680101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1010860398991 - 2⁹ = 1010860398479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010860378991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505430199495 + 505430199496.

It is an arithmetic number, because the mean of its divisors is an integer number (505430199496).

Almost surely, 2^{1010860398991} is an apocalyptic number.

1010860398991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010860398991 is an equidigital number, since it uses as much as digits as its factorization.

1010860398991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 55.

The spelling of 1010860398991 in words is "one trillion, ten billion, eight hundred sixty million, three hundred ninety-eight thousand, nine hundred ninety-one".