13316012550 has 48 divisors (see below), whose sum is σ = 36693016080. Its totient is φ = 3550936320.

The previous prime is 13316012533. The next prime is 13316012551. The reversal of 13316012550 is 5521061331.

13316012550 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 601 + 2 + 5 + 50 = 666.

It is a super-3 number, since 3×13316012550³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13316012551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4930507 + ... + 4933206.

It is an arithmetic number, because the mean of its divisors is an integer number (764437835).

Almost surely, 2^13316012550 is an apocalyptic number.

13316012550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13316012550 is an abundant number, since it is smaller than the sum of its proper divisors (23377003530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13316012550 is a wasteful number, since it uses less digits than its factorization.

13316012550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9863734 (or 9863723 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 13316012550 its reverse (5521061331), we get a palindrome (18837073881).

The spelling of 13316012550 in words is "thirteen billion, three hundred sixteen million, twelve thousand, five hundred fifty".