11587745353439 has 2 divisors, whose sum is σ = 11587745353440. Its totient is φ = 11587745353438.

The previous prime is 11587745353427. The next prime is 11587745353477. The reversal of 11587745353439 is 93435354778511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11587745353439 is a prime.

It is a super-2 number, since 2×11587745353439² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11587745353939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5793872676719 + 5793872676720.

It is an arithmetic number, because the mean of its divisors is an integer number (5793872676720).

Almost surely, 2^{11587745353439} is an apocalyptic number.

11587745353439 is a deficient number, since it is larger than the sum of its proper divisors (1).

11587745353439 is an equidigital number, since it uses as much as digits as its factorization.

11587745353439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512000, while the sum is 65.

The spelling of 11587745353439 in words is "eleven trillion, five hundred eighty-seven billion, seven hundred forty-five million, three hundred fifty-three thousand, four hundred thirty-nine".