13105443313525 has 24 divisors (see below), whose sum is σ = 16294914808704. Its totient is φ = 10455872736000.

The previous prime is 13105443313493. The next prime is 13105443313559. The reversal of 13105443313525 is 52531334450131.

It is not a de Polignac number, because 13105443313525 - 2⁵ = 13105443313493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45439924 + ... + 45727426.

It is an arithmetic number, because the mean of its divisors is an integer number (678954783696).

Almost surely, 2^{13105443313525} is an apocalyptic number.

It is an amenable number.

13105443313525 is a deficient number, since it is larger than the sum of its proper divisors (3189471495179).

13105443313525 is a wasteful number, since it uses less digits than its factorization.

13105443313525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292461 (or 292456 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 13105443313525 its reverse (52531334450131), we get a palindrome (65636777763656).

The spelling of 13105443313525 in words is "thirteen trillion, one hundred five billion, four hundred forty-three million, three hundred thirteen thousand, five hundred twenty-five".