13112001111001 has 16 divisors (see below), whose sum is σ = 14189173729920. Its totient is φ = 12044706048000.

The previous prime is 13112001110993. The next prime is 13112001111023. The reversal of 13112001111001 is 10011110021131.

It is a cyclic number.

It is not a de Polignac number, because 13112001111001 - 2³ = 13112001110993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112001111091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019660 + ... + 5504818.

It is an arithmetic number, because the mean of its divisors is an integer number (886823358120).

Almost surely, 2^{13112001111001} is an apocalyptic number.

It is an amenable number.

13112001111001 is a deficient number, since it is larger than the sum of its proper divisors (1077172618919).

13112001111001 is a wasteful number, since it uses less digits than its factorization.

13112001111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486576.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 13112001111001 its reverse (10011110021131), we get a palindrome (23123111132132).

The spelling of 13112001111001 in words is "thirteen trillion, one hundred twelve billion, one million, one hundred eleven thousand, one".