13445253556 has 48 divisors (see below), whose sum is σ = 29970864000. Its totient is φ = 5137855488.

The previous prime is 13445253553. The next prime is 13445253559. The reversal of 13445253556 is 65535254431.

It is an interprime number because it is at equal distance from previous prime (13445253553) and next prime (13445253559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445253551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734281 + ... + 752368.

It is an arithmetic number, because the mean of its divisors is an integer number (624393000).

Almost surely, 2^13445253556 is an apocalyptic number.

It is an amenable number.

13445253556 is an abundant number, since it is smaller than the sum of its proper divisors (16525610444).

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

13445253556 is a wasteful number, since it uses less digits than its factorization.

13445253556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486696 (or 1486694 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 43.

The spelling of 13445253556 in words is "thirteen billion, four hundred forty-five million, two hundred fifty-three thousand, five hundred fifty-six".