12135044411611 has 8 divisors (see below), whose sum is σ = 13405802803200. Its totient is φ = 10892214776040.

The previous prime is 12135044411597. The next prime is 12135044411617. The reversal of 12135044411611 is 11611444053121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12135044411611 - 2²³ = 12135036023003 is a prime.

It is a super-2 number, since 2×12135044411611² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12135044411617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6982188091 + ... + 6982189828.

It is an arithmetic number, because the mean of its divisors is an integer number (1675725350400).

Almost surely, 2^{12135044411611} is an apocalyptic number.

12135044411611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12135044411611 is a deficient number, since it is larger than the sum of its proper divisors (1270758391589).

12135044411611 is a wasteful number, since it uses less digits than its factorization.

12135044411611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13964378009.

The product of its (nonzero) digits is 11520, while the sum is 34.

Adding to 12135044411611 its reverse (11611444053121), we get a palindrome (23746488464732).

The spelling of 12135044411611 in words is "twelve trillion, one hundred thirty-five billion, forty-four million, four hundred eleven thousand, six hundred eleven".