1101113311897 has 2 divisors, whose sum is σ = 1101113311898. Its totient is φ = 1101113311896.

The previous prime is 1101113311871. The next prime is 1101113311919. The reversal of 1101113311897 is 7981133111011.

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., 1022679148176 + 78434163721 = 1011276^2 + 280061^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101113311897 - 2¹⁵ = 1101113279129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101113311817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550556655948 + 550556655949.

It is an arithmetic number, because the mean of its divisors is an integer number (550556655949).

Almost surely, 2^{1101113311897} is an apocalyptic number.

It is an amenable number.

1101113311897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101113311897 is an equidigital number, since it uses as much as digits as its factorization.

1101113311897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 37.

The spelling of 1101113311897 in words is "one trillion, one hundred one billion, one hundred thirteen million, three hundred eleven thousand, eight hundred ninety-seven".