11520646264441 has 2 divisors, whose sum is σ = 11520646264442. Its totient is φ = 11520646264440.

The previous prime is 11520646264373. The next prime is 11520646264451. The reversal of 11520646264441 is 14446264602511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10975405797225 + 545240467216 = 3312915^2 + 738404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11520646264441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11520646264391 and 11520646264400.

It is not a weakly prime, because it can be changed into another prime (11520646264451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760323132220 + 5760323132221.

It is an arithmetic number, because the mean of its divisors is an integer number (5760323132221).

Almost surely, 2^{11520646264441} is an apocalyptic number.

It is an amenable number.

11520646264441 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520646264441 is an equidigital number, since it uses as much as digits as its factorization.

11520646264441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 11520646264441 in words is "eleven trillion, five hundred twenty billion, six hundred forty-six million, two hundred sixty-four thousand, four hundred forty-one".