13124404311005 has 64 divisors (see below), whose sum is σ = 17779877498880. Its totient is φ = 9237721960704.

The previous prime is 13124404310923. The next prime is 13124404311023. The reversal of 13124404311005 is 50011340442131.

It is a de Polignac number, because none of the positive numbers 2^k-13124404311005 is a prime.

It is a super-2 number, since 2×13124404311005² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18945962 + ... + 19626468.

It is an arithmetic number, because the mean of its divisors is an integer number (277810585920).

Almost surely, 2^{13124404311005} is an apocalyptic number.

It is an amenable number.

13124404311005 is a deficient number, since it is larger than the sum of its proper divisors (4655473187875).

13124404311005 is a wasteful number, since it uses less digits than its factorization.

13124404311005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680738.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 13124404311005 its reverse (50011340442131), we get a palindrome (63135744753136).

The spelling of 13124404311005 in words is "thirteen trillion, one hundred twenty-four billion, four hundred four million, three hundred eleven thousand, five".