135421101344011 has 32 divisors (see below), whose sum is σ = 164794264128000. Its totient is φ = 108631765658112.

The previous prime is 135421101344003. The next prime is 135421101344021. The reversal of 135421101344011 is 110443101124531.

It is a cyclic number.

It is not a de Polignac number, because 135421101344011 - 2³ = 135421101344003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135421101344021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481666785 + ... + 481947853.

It is an arithmetic number, because the mean of its divisors is an integer number (5149820754000).

Almost surely, 2^{135421101344011} is an apocalyptic number.

135421101344011 is a deficient number, since it is larger than the sum of its proper divisors (29373162783989).

135421101344011 is a wasteful number, since it uses less digits than its factorization.

135421101344011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303891.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 135421101344011 its reverse (110443101124531), we get a palindrome (245864202468542).

The spelling of 135421101344011 in words is "one hundred thirty-five trillion, four hundred twenty-one billion, one hundred one million, three hundred forty-four thousand, eleven".