12355521303 has 8 divisors (see below), whose sum is σ = 16552105216. Its totient is φ = 8197975800.

The previous prime is 12355521281. The next prime is 12355521313. The reversal of 12355521303 is 30312555321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12355521303 - 2²⁵ = 12321966871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355521313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9758863 + ... + 9760128.

It is an arithmetic number, because the mean of its divisors is an integer number (2069013152).

Almost surely, 2^12355521303 is an apocalyptic number.

12355521303 is a deficient number, since it is larger than the sum of its proper divisors (4196583913).

12355521303 is a wasteful number, since it uses less digits than its factorization.

12355521303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19519205.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 12355521303 in words is "twelve billion, three hundred fifty-five million, five hundred twenty-one thousand, three hundred three".