11683591487 has 8 divisors (see below), whose sum is σ = 11751377616. Its totient is φ = 11615891392.

The previous prime is 11683591483. The next prime is 11683591499. The reversal of 11683591487 is 78419538611.

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

It is a cyclic number.

It is not a de Polignac number, because 11683591487 - 2² = 11683591483 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 (11683591483) 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, 261608 + ... + 302994.

It is an arithmetic number, because the mean of its divisors is an integer number (1468922202).

Almost surely, 2^11683591487 is an apocalyptic number.

11683591487 is a deficient number, since it is larger than the sum of its proper divisors (67786129).

11683591487 is a wasteful number, since it uses less digits than its factorization.

11683591487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43017.

The product of its digits is 1451520, while the sum is 53.

The spelling of 11683591487 in words is "eleven billion, six hundred eighty-three million, five hundred ninety-one thousand, four hundred eighty-seven".