1011313554917 has 2 divisors, whose sum is σ = 1011313554918. Its totient is φ = 1011313554916.

The previous prime is 1011313554877. The next prime is 1011313554941. The reversal of 1011313554917 is 7194553131101.

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., 770192291236 + 241121263681 = 877606^2 + 491041^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011313554917 - 2²² = 1011309360613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011313554997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505656777458 + 505656777459.

It is an arithmetic number, because the mean of its divisors is an integer number (505656777459).

Almost surely, 2^{1011313554917} is an apocalyptic number.

It is an amenable number.

1011313554917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011313554917 is an equidigital number, since it uses as much as digits as its factorization.

1011313554917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 41.

The spelling of 1011313554917 in words is "one trillion, eleven billion, three hundred thirteen million, five hundred fifty-four thousand, nine hundred seventeen".