1011017018897 has 2 divisors, whose sum is σ = 1011017018898. Its totient is φ = 1011017018896.

The previous prime is 1011017018881. The next prime is 1011017018909. The reversal of 1011017018897 is 7988107101101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 563136179776 + 447880839121 = 750424^2 + 669239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011017018897 - 2⁴ = 1011017018881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011017018807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505508509448 + 505508509449.

It is an arithmetic number, because the mean of its divisors is an integer number (505508509449).

Almost surely, 2^{1011017018897} is an apocalyptic number.

It is an amenable number.

1011017018897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011017018897 is an equidigital number, since it uses as much as digits as its factorization.

1011017018897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 44.

The spelling of 1011017018897 in words is "one trillion, eleven billion, seventeen million, eighteen thousand, eight hundred ninety-seven".