11452136669 has 2 divisors, whose sum is σ = 11452136670. Its totient is φ = 11452136668.

The previous prime is 11452136623. The next prime is 11452136693. The reversal of 11452136669 is 96663125411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9930122500 + 1522014169 = 99650^2 + 39013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11452136669 is a prime.

It is a super-2 number, since 2×11452136669² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11452136869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726068334 + 5726068335.

It is an arithmetic number, because the mean of its divisors is an integer number (5726068335).

Almost surely, 2^11452136669 is an apocalyptic number.

It is an amenable number.

11452136669 is a deficient number, since it is larger than the sum of its proper divisors (1).

11452136669 is an equidigital number, since it uses as much as digits as its factorization.

11452136669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The spelling of 11452136669 in words is "eleven billion, four hundred fifty-two million, one hundred thirty-six thousand, six hundred sixty-nine".