11697587039 has 4 divisors (see below), whose sum is σ = 11782971024. Its totient is φ = 11612203056.

The previous prime is 11697587029. The next prime is 11697587051. The reversal of 11697587039 is 93078579611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93078579611 = 250259 ⋅371929.

It is a cyclic number.

It is not a de Polignac number, because 11697587039 - 2¹⁶ = 11697521503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11697587029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42691787 + ... + 42692060.

It is an arithmetic number, because the mean of its divisors is an integer number (2945742756).

Almost surely, 2^11697587039 is an apocalyptic number.

11697587039 is a deficient number, since it is larger than the sum of its proper divisors (85383985).

11697587039 is an equidigital number, since it uses as much as digits as its factorization.

11697587039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85383984.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The spelling of 11697587039 in words is "eleven billion, six hundred ninety-seven million, five hundred eighty-seven thousand, thirty-nine".