13445023616652 has 72 divisors (see below), whose sum is σ = 33795046091520. Its totient is φ = 4158637441280.

The previous prime is 13445023616641. The next prime is 13445023616671. The reversal of 13445023616652 is 25661632054431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27055752 + ... + 27548207.

It is an arithmetic number, because the mean of its divisors is an integer number (469375640160).

Almost surely, 2^{13445023616652} is an apocalyptic number.

13445023616652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13445023616652 is an abundant number, since it is smaller than the sum of its proper divisors (20350022474868).

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

13445023616652 is a wasteful number, since it uses less digits than its factorization.

13445023616652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54604071 (or 54604052 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 13445023616652 in words is "thirteen trillion, four hundred forty-five billion, twenty-three million, six hundred sixteen thousand, six hundred fifty-two".