13445911236 has 12 divisors (see below), whose sum is σ = 31373792912. Its totient is φ = 4481970408.

The previous prime is 13445911229. The next prime is 13445911249. The reversal of 13445911236 is 63211954431.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13445911194 and 13445911203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560246290 + ... + 560246313.

Almost surely, 2^13445911236 is an apocalyptic number.

It is an amenable number.

13445911236 is an abundant number, since it is smaller than the sum of its proper divisors (17927881676).

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

13445911236 is a wasteful number, since it uses less digits than its factorization.

13445911236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120492610 (or 1120492608 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The spelling of 13445911236 in words is "thirteen billion, four hundred forty-five million, nine hundred eleven thousand, two hundred thirty-six".