12355086552 has 32 divisors (see below), whose sum is σ = 30908633280. Its totient is φ = 4115573280.

The previous prime is 12355086539. The next prime is 12355086563. The reversal of 12355086552 is 25568055321.

It is a super-2 number, since 2×12355086552² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137974 + ... + 209157.

It is an arithmetic number, because the mean of its divisors is an integer number (965894790).

Almost surely, 2^12355086552 is an apocalyptic number.

12355086552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12355086552 is an abundant number, since it is smaller than the sum of its proper divisors (18553546728).

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

12355086552 is a wasteful number, since it uses less digits than its factorization.

12355086552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348623 (or 348619 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 12355086552 in words is "twelve billion, three hundred fifty-five million, eighty-six thousand, five hundred fifty-two".