11567251242687 has 8 divisors (see below), whose sum is σ = 17626287607936. Its totient is φ = 6609857852952.

The previous prime is 11567251242671. The next prime is 11567251242709. The reversal of 11567251242687 is 78624215276511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11567251242687 - 2⁴ = 11567251242671 is a prime.

It is a super-2 number, since 2×11567251242687² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11567251241687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275410743853 + ... + 275410743894.

It is an arithmetic number, because the mean of its divisors is an integer number (2203285950992).

Almost surely, 2^{11567251242687} is an apocalyptic number.

11567251242687 is a deficient number, since it is larger than the sum of its proper divisors (6059036365249).

11567251242687 is an equidigital number, since it uses as much as digits as its factorization.

11567251242687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550821487757.

The product of its digits is 11289600, while the sum is 57.

The spelling of 11567251242687 in words is "eleven trillion, five hundred sixty-seven billion, two hundred fifty-one million, two hundred forty-two thousand, six hundred eighty-seven".