13126624550 has 48 divisors (see below), whose sum is σ = 26306910000. Its totient is φ = 4844307840.

The previous prime is 13126624541. The next prime is 13126624573. The reversal of 13126624550 is 5542662131.

It is a self number, because there is not a number n which added to its sum of digits gives 13126624550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1746701 + ... + 1754199.

It is an arithmetic number, because the mean of its divisors is an integer number (548060625).

Almost surely, 2^13126624550 is an apocalyptic number.

13126624550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13126624550 is an abundant number, since it is smaller than the sum of its proper divisors (13180285450).

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

13126624550 is a wasteful number, since it uses less digits than its factorization.

13126624550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217 (or 10212 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 13126624550 in words is "thirteen billion, one hundred twenty-six million, six hundred twenty-four thousand, five hundred fifty".