11652640565749 has 2 divisors, whose sum is σ = 11652640565750. Its totient is φ = 11652640565748.

The previous prime is 11652640565719. The next prime is 11652640565779. The reversal of 11652640565749 is 94756504625611.

It is a balanced prime because it is at equal distance from previous prime (11652640565719) and next prime (11652640565779).

It can be written as a sum of positive squares in only one way, i.e., 11368482271524 + 284158294225 = 3371718^2 + 533065^2 .

It is a cyclic number.

It is not a de Polignac number, because 11652640565749 - 2³¹ = 11650493082101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11652640565719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5826320282874 + 5826320282875.

It is an arithmetic number, because the mean of its divisors is an integer number (5826320282875).

Almost surely, 2^{11652640565749} is an apocalyptic number.

It is an amenable number.

11652640565749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11652640565749 is an equidigital number, since it uses as much as digits as its factorization.

11652640565749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432000, while the sum is 61.

The spelling of 11652640565749 in words is "eleven trillion, six hundred fifty-two billion, six hundred forty million, five hundred sixty-five thousand, seven hundred forty-nine".