13526228947550 has 96 divisors (see below), whose sum is σ = 28596083733504. Its totient is φ = 4715476992000.

The previous prime is 13526228947529. The next prime is 13526228947591. The reversal of 13526228947550 is 5574982262531.

It is a self number, because there is not a number n which added to its sum of digits gives 13526228947550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1882787 + ... + 5531486.

It is an arithmetic number, because the mean of its divisors is an integer number (297875872224).

It is a 1-persistent number, because it is pandigital, but 2⋅13526228947550 = 27052457895100 is not.

Almost surely, 2^{13526228947550} is an apocalyptic number.

13526228947550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13526228947550 is an abundant number, since it is smaller than the sum of its proper divisors (15069854785954).

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

13526228947550 is a wasteful number, since it uses less digits than its factorization.

13526228947550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414434 (or 7414429 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 13526228947550 in words is "thirteen trillion, five hundred twenty-six billion, two hundred twenty-eight million, nine hundred forty-seven thousand, five hundred fifty".