13245320314044 has 144 divisors (see below), whose sum is σ = 41772152490432. Its totient is φ = 3445418198016.

The previous prime is 13245320314021. The next prime is 13245320314069. The reversal of 13245320314044 is 44041302354231.

13245320314044 is a `hidden beast` number, since 1 + 3 + 2 + 45 + 3 + 203 + 1 + 404 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27453579 + ... + 27931874.

Almost surely, 2^{13245320314044} is an apocalyptic number.

13245320314044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13245320314044 is an abundant number, since it is smaller than the sum of its proper divisors (28526832176388).

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

13245320314044 is a wasteful number, since it uses less digits than its factorization.

13245320314044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55385556 (or 55385551 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 13245320314044 its reverse (44041302354231), we get a palindrome (57286622668275).

The spelling of 13245320314044 in words is "thirteen trillion, two hundred forty-five billion, three hundred twenty million, three hundred fourteen thousand, forty-four".