133111366853 has 2 divisors, whose sum is σ = 133111366854. Its totient is φ = 133111366852.

The previous prime is 133111366837. The next prime is 133111366867. The reversal of 133111366853 is 358663111331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69897841924 + 63213524929 = 264382^2 + 251423^2 .

It is a cyclic number.

It is not a de Polignac number, because 133111366853 - 2⁴ = 133111366837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133111366853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133111360853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66555683426 + 66555683427.

It is an arithmetic number, because the mean of its divisors is an integer number (66555683427).

Almost surely, 2^133111366853 is an apocalyptic number.

It is an amenable number.

133111366853 is a deficient number, since it is larger than the sum of its proper divisors (1).

133111366853 is an equidigital number, since it uses as much as digits as its factorization.

133111366853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The spelling of 133111366853 in words is "one hundred thirty-three billion, one hundred eleven million, three hundred sixty-six thousand, eight hundred fifty-three".