13111200020124 has 36 divisors (see below), whose sum is σ = 34583165272656. Its totient is φ = 4180382614848.

The previous prime is 13111200020081. The next prime is 13111200020129. The reversal of 13111200020124 is 42102000211131.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13111200020097 and 13111200020106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111200020129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7917390489 + ... + 7917392144.

It is an arithmetic number, because the mean of its divisors is an integer number (960643479796).

Almost surely, 2^{13111200020124} is an apocalyptic number.

It is an amenable number.

13111200020124 is an abundant number, since it is smaller than the sum of its proper divisors (21471965252532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111200020124 is a wasteful number, since it uses less digits than its factorization.

13111200020124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15834782666 (or 15834782661 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 13111200020124 its reverse (42102000211131), we get a palindrome (55213200231255).

The spelling of 13111200020124 in words is "thirteen trillion, one hundred eleven billion, two hundred million, twenty thousand, one hundred twenty-four".