13855361272 has 64 divisors (see below), whose sum is σ = 26948275200. Its totient is φ = 6674088960.

The previous prime is 13855361257. The next prime is 13855361293. The reversal of 13855361272 is 27216355831.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

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, 13980697 + ... + 13981687.

It is an arithmetic number, because the mean of its divisors is an integer number (421066800).

Almost surely, 2^13855361272 is an apocalyptic number.

It is an amenable number.

13855361272 is a deficient number, since it is larger than the sum of its proper divisors (13092913928).

13855361272 is a wasteful number, since it uses less digits than its factorization.

13855361272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 1552 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The spelling of 13855361272 in words is "thirteen billion, eight hundred fifty-five million, three hundred sixty-one thousand, two hundred seventy-two".