1233266116541 has 2 divisors, whose sum is σ = 1233266116542. Its totient is φ = 1233266116540.

The previous prime is 1233266116507. The next prime is 1233266116591. The reversal of 1233266116541 is 1456116623321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036466524900 + 196799591641 = 1018070^2 + 443621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233266116541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233266116591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616633058270 + 616633058271.

It is an arithmetic number, because the mean of its divisors is an integer number (616633058271).

Almost surely, 2^{1233266116541} is an apocalyptic number.

It is an amenable number.

1233266116541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233266116541 is an equidigital number, since it uses as much as digits as its factorization.

1233266116541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The spelling of 1233266116541 in words is "one trillion, two hundred thirty-three billion, two hundred sixty-six million, one hundred sixteen thousand, five hundred forty-one".