11830456487 has 4 divisors (see below), whose sum is σ = 11832347496. Its totient is φ = 11828565480.

The previous prime is 11830456447. The next prime is 11830456501. The reversal of 11830456487 is 78465403811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11830456487 - 2²⁰ = 11829407911 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 (11830456447) 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, 936089 + ... + 948642.

It is an arithmetic number, because the mean of its divisors is an integer number (2958086874).

Almost surely, 2^11830456487 is an apocalyptic number.

11830456487 is a deficient number, since it is larger than the sum of its proper divisors (1891009).

11830456487 is an equidigital number, since it uses as much as digits as its factorization.

11830456487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891008.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 11830456487 in words is "eleven billion, eight hundred thirty million, four hundred fifty-six thousand, four hundred eighty-seven".