11387531014 has 4 divisors (see below), whose sum is σ = 17081296524. Its totient is φ = 5693765506.

The previous prime is 11387531009. The next prime is 11387531021. The reversal of 11387531014 is 41013578311.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2846882752 + ... + 2846882755.

It is an arithmetic number, because the mean of its divisors is an integer number (4270324131).

Almost surely, 2^11387531014 is an apocalyptic number.

11387531014 is a deficient number, since it is larger than the sum of its proper divisors (5693765510).

11387531014 is an equidigital number, since it uses as much as digits as its factorization.

11387531014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693765509.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 11387531014 in words is "eleven billion, three hundred eighty-seven million, five hundred thirty-one thousand, fourteen".