13255429056 has 56 divisors (see below), whose sum is σ = 35887298304. Its totient is φ = 4315718400.

The previous prime is 13255429037. The next prime is 13255429079. The reversal of 13255429056 is 65092455231.

It is a happy number.

It is a super-2 number, since 2×13255429056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13255428999 and 13255429017.

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, 794520 + ... + 811031.

Almost surely, 2^13255429056 is an apocalyptic number.

13255429056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13255429056 is an abundant number, since it is smaller than the sum of its proper divisors (22631869248).

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

13255429056 is a wasteful number, since it uses less digits than its factorization.

13255429056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605609 (or 1605599 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 13255429056 in words is "thirteen billion, two hundred fifty-five million, four hundred twenty-nine thousand, fifty-six".