13201526550 has 24 divisors (see below), whose sum is σ = 32739786216. Its totient is φ = 3520407040.

The previous prime is 13201526509. The next prime is 13201526561. The reversal of 13201526550 is 5562510231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 11 ways as a sum of consecutive naturals, for example, 44004939 + ... + 44005238.

It is an arithmetic number, because the mean of its divisors is an integer number (1364157759).

Almost surely, 2^13201526550 is an apocalyptic number.

13201526550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13201526550 is an abundant number, since it is smaller than the sum of its proper divisors (19538259666).

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

13201526550 is a wasteful number, since it uses less digits than its factorization.

13201526550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88010192 (or 88010187 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 13201526550 in words is "thirteen billion, two hundred one million, five hundred twenty-six thousand, five hundred fifty".