133111761113 has 2 divisors, whose sum is σ = 133111761114. Its totient is φ = 133111761112.

The previous prime is 133111761077. The next prime is 133111761137. The reversal of 133111761113 is 311167111331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132282781849 + 828979264 = 363707^2 + 28792^2 .

It is an emirp because it is prime and its reverse (311167111331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133111761113 - 2¹⁴ = 133111744729 is a prime.

It is not a weakly prime, because it can be changed into another prime (133111761163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66555880556 + 66555880557.

It is an arithmetic number, because the mean of its divisors is an integer number (66555880557).

Almost surely, 2^133111761113 is an apocalyptic number.

It is an amenable number.

133111761113 is a deficient number, since it is larger than the sum of its proper divisors (1).

133111761113 is an equidigital number, since it uses as much as digits as its factorization.

133111761113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 29.

Adding to 133111761113 its reverse (311167111331), we get a palindrome (444278872444).

The spelling of 133111761113 in words is "one hundred thirty-three billion, one hundred eleven million, seven hundred sixty-one thousand, one hundred thirteen".