13040320123532 has 48 divisors (see below), whose sum is σ = 24628666934592. Its totient is φ = 6005710552320.

The previous prime is 13040320123517. The next prime is 13040320123547. The reversal of 13040320123532 is 23532102304031.

It is a happy number.

13040320123532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13040320123517) and next prime (13040320123547).

It is a junction number, because it is equal to n+sod(n) for n = 13040320123495 and 13040320123504.

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, 469518398 + ... + 469546170.

It is an arithmetic number, because the mean of its divisors is an integer number (513097227804).

Almost surely, 2^{13040320123532} is an apocalyptic number.

It is an amenable number.

13040320123532 is a deficient number, since it is larger than the sum of its proper divisors (11588346811060).

13040320123532 is a wasteful number, since it uses less digits than its factorization.

13040320123532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46818 (or 46816 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 13040320123532 its reverse (23532102304031), we get a palindrome (36572422427563).

The spelling of 13040320123532 in words is "thirteen trillion, forty billion, three hundred twenty million, one hundred twenty-three thousand, five hundred thirty-two".