11445536215639 has 2 divisors, whose sum is σ = 11445536215640. Its totient is φ = 11445536215638.

The previous prime is 11445536215577. The next prime is 11445536215681. The reversal of 11445536215639 is 93651263554411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11445536215639 - 2⁷ = 11445536215511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11445536215639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11445536218639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722768107819 + 5722768107820.

It is an arithmetic number, because the mean of its divisors is an integer number (5722768107820).

Almost surely, 2^{11445536215639} is an apocalyptic number.

11445536215639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11445536215639 is an equidigital number, since it uses as much as digits as its factorization.

11445536215639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664000, while the sum is 55.

The spelling of 11445536215639 in words is "eleven trillion, four hundred forty-five billion, five hundred thirty-six million, two hundred fifteen thousand, six hundred thirty-nine".