11550502439 has 16 divisors (see below), whose sum is σ = 14123143680. Its totient is φ = 9225588960.

The previous prime is 11550502433. The next prime is 11550502441. The reversal of 11550502439 is 93420505511.

It is a de Polignac number, because none of the positive numbers 2^k-11550502439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11550502399 and 11550502408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550502433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703739 + ... + 719964.

It is an arithmetic number, because the mean of its divisors is an integer number (882696480).

Almost surely, 2^11550502439 is an apocalyptic number.

11550502439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11550502439 is a deficient number, since it is larger than the sum of its proper divisors (2572641241).

11550502439 is a wasteful number, since it uses less digits than its factorization.

11550502439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423790.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 11550502439 in words is "eleven billion, five hundred fifty million, five hundred two thousand, four hundred thirty-nine".