11582871463 has 4 divisors (see below), whose sum is σ = 11607888928. Its totient is φ = 11557854000.

The previous prime is 11582871449. The next prime is 11582871491. The reversal of 11582871463 is 36417828511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36417828511 = 821 ⋅44357891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11582871463 is a prime.

It is a super-2 number, since 2×11582871463² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11582871263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12508038 + ... + 12508963.

It is an arithmetic number, because the mean of its divisors is an integer number (2901972232).

Almost surely, 2^11582871463 is an apocalyptic number.

11582871463 is a deficient number, since it is larger than the sum of its proper divisors (25017465).

11582871463 is an equidigital number, since it uses as much as digits as its factorization.

11582871463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25017464.

The product of its digits is 322560, while the sum is 46.

The spelling of 11582871463 in words is "eleven billion, five hundred eighty-two million, eight hundred seventy-one thousand, four hundred sixty-three".