11144932487 has 4 divisors (see below), whose sum is σ = 12002235000. Its totient is φ = 10287629976.

The previous prime is 11144932459. The next prime is 11144932501. The reversal of 11144932487 is 78423944111.

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

It is not a de Polignac number, because 11144932487 - 2⁸ = 11144932231 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 (11144932427) 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, 428651237 + ... + 428651262.

It is an arithmetic number, because the mean of its divisors is an integer number (3000558750).

Almost surely, 2^11144932487 is an apocalyptic number.

11144932487 is a deficient number, since it is larger than the sum of its proper divisors (857302513).

11144932487 is an equidigital number, since it uses as much as digits as its factorization.

11144932487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857302512.

The product of its digits is 193536, while the sum is 44.

The spelling of 11144932487 in words is "eleven billion, one hundred forty-four million, nine hundred thirty-two thousand, four hundred eighty-seven".