13625380305 has 16 divisors (see below), whose sum is σ = 24222898560. Its totient is φ = 7266869424.

The previous prime is 13625380289. The next prime is 13625380319. The reversal of 13625380305 is 50308352631.

It is not a de Polignac number, because 13625380305 - 2⁴ = 13625380289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13625380305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50464237 + ... + 50464506.

It is an arithmetic number, because the mean of its divisors is an integer number (1513931160).

Almost surely, 2^13625380305 is an apocalyptic number.

13625380305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13625380305 is a deficient number, since it is larger than the sum of its proper divisors (10597518255).

13625380305 is a wasteful number, since it uses less digits than its factorization.

13625380305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100928757 (or 100928751 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 13625380305 in words is "thirteen billion, six hundred twenty-five million, three hundred eighty thousand, three hundred five".