11626133993 has 2 divisors, whose sum is σ = 11626133994. Its totient is φ = 11626133992.

The previous prime is 11626133921. The next prime is 11626133999. The reversal of 11626133993 is 39933162611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10660975504 + 965158489 = 103252^2 + 31067^2 .

It is an emirp because it is prime and its reverse (39933162611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11626133993 - 2⁸ = 11626133737 is a prime.

It is not a weakly prime, because it can be changed into another prime (11626133999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5813066996 + 5813066997.

It is an arithmetic number, because the mean of its divisors is an integer number (5813066997).

Almost surely, 2^11626133993 is an apocalyptic number.

It is an amenable number.

11626133993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11626133993 is an equidigital number, since it uses as much as digits as its factorization.

11626133993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 44.

The spelling of 11626133993 in words is "eleven billion, six hundred twenty-six million, one hundred thirty-three thousand, nine hundred ninety-three".