13123034052555 has 32 divisors (see below), whose sum is σ = 24644956621824. Its totient is φ = 5836963406976.

The previous prime is 13123034052509. The next prime is 13123034052589. The reversal of 13123034052555 is 55525043032131.

It is not a de Polignac number, because 13123034052555 - 2¹² = 13123034048459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1688932287 + ... + 1688940056.

It is an arithmetic number, because the mean of its divisors is an integer number (770154894432).

Almost surely, 2^{13123034052555} is an apocalyptic number.

13123034052555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13123034052555 is a deficient number, since it is larger than the sum of its proper divisors (11521922569269).

13123034052555 is a wasteful number, since it uses less digits than its factorization.

13123034052555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377872395.

The product of its (nonzero) digits is 270000, while the sum is 39.

Adding to 13123034052555 its reverse (55525043032131), we get a palindrome (68648077084686).

The spelling of 13123034052555 in words is "thirteen trillion, one hundred twenty-three billion, thirty-four million, fifty-two thousand, five hundred fifty-five".