13205062031056 has 40 divisors (see below), whose sum is σ = 30959767287360. Its totient is φ = 5326411574784.

The previous prime is 13205062030973. The next prime is 13205062031089. The reversal of 13205062031056 is 65013026050231.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 3467713966 + ... + 3467717773.

It is an arithmetic number, because the mean of its divisors is an integer number (773994182184).

Almost surely, 2^{13205062031056} is an apocalyptic number.

13205062031056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13205062031056 is an abundant number, since it is smaller than the sum of its proper divisors (17754705256304).

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

13205062031056 is a wasteful number, since it uses less digits than its factorization.

13205062031056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935431771 (or 6935431765 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 13205062031056 its reverse (65013026050231), we get a palindrome (78218088081287).

The spelling of 13205062031056 in words is "thirteen trillion, two hundred five billion, sixty-two million, thirty-one thousand, fifty-six".