11729975753549 has 2 divisors, whose sum is σ = 11729975753550. Its totient is φ = 11729975753548.

The previous prime is 11729975753513. The next prime is 11729975753569. The reversal of 11729975753549 is 94535757992711.

It is a happy number.

11729975753549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9869430649225 + 1860545104324 = 3141565^2 + 1364018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11729975753549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11729975753569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5864987876774 + 5864987876775.

It is an arithmetic number, because the mean of its divisors is an integer number (5864987876775).

Almost surely, 2^{11729975753549} is an apocalyptic number.

It is an amenable number.

11729975753549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11729975753549 is an equidigital number, since it uses as much as digits as its factorization.

11729975753549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 750141000, while the sum is 74.

The spelling of 11729975753549 in words is "eleven trillion, seven hundred twenty-nine billion, nine hundred seventy-five million, seven hundred fifty-three thousand, five hundred forty-nine".