13625503056 has 120 divisors (see below), whose sum is σ = 41629835520. Its totient is φ = 4125888000.

The previous prime is 13625503019. The next prime is 13625503061. The reversal of 13625503056 is 65030552631.

13625503056 is a `hidden beast` number, since 13 + 62 + 550 + 30 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13625503056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3088180 + ... + 3092588.

It is an arithmetic number, because the mean of its divisors is an integer number (346915296).

Almost surely, 2^13625503056 is an apocalyptic number.

13625503056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13625503056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20814917760).

13625503056 is an abundant number, since it is smaller than the sum of its proper divisors (28004332464).

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

13625503056 is a wasteful number, since it uses less digits than its factorization.

13625503056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 13625503056 in words is "thirteen billion, six hundred twenty-five million, five hundred three thousand, fifty-six".