141123121513111 has 4 divisors (see below), whose sum is σ = 141123535473424. Its totient is φ = 141122707552800.

The previous prime is 141123121513109. The next prime is 141123121513133. The reversal of 141123121513111 is 111315121321141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 141123121513111 - 2¹ = 141123121513109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141123121513111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141123121513211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206468370 + ... + 207150751.

It is an arithmetic number, because the mean of its divisors is an integer number (35280883868356).

Almost surely, 2^{141123121513111} is an apocalyptic number.

141123121513111 is a deficient number, since it is larger than the sum of its proper divisors (413960313).

141123121513111 is an equidigital number, since it uses as much as digits as its factorization.

141123121513111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413960312.

The product of its digits is 720, while the sum is 28.

Adding to 141123121513111 its reverse (111315121321141), we get a palindrome (252438242834252).

The spelling of 141123121513111 in words is "one hundred forty-one trillion, one hundred twenty-three billion, one hundred twenty-one million, five hundred thirteen thousand, one hundred eleven".