1055040866801 has 2 divisors, whose sum is σ = 1055040866802. Its totient is φ = 1055040866800.

The previous prime is 1055040866783. The next prime is 1055040866843. The reversal of 1055040866801 is 1086680405501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1055039176801 + 1690000 = 1027151^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055040866801 - 2²² = 1055036672497 is a prime.

It is a super-2 number, since 2×1055040866801² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055040866861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527520433400 + 527520433401.

It is an arithmetic number, because the mean of its divisors is an integer number (527520433401).

Almost surely, 2^{1055040866801} is an apocalyptic number.

It is an amenable number.

1055040866801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055040866801 is an equidigital number, since it uses as much as digits as its factorization.

1055040866801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 1055040866801 in words is "one trillion, fifty-five billion, forty million, eight hundred sixty-six thousand, eight hundred one".