135111505063 has 8 divisors (see below), whose sum is σ = 138796737968. Its totient is φ = 131428039104.

The previous prime is 135111505051. The next prime is 135111505073. The reversal of 135111505063 is 360505111531.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135111505063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135111505033) 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 7 ways as a sum of consecutive naturals, for example, 285981 + ... + 593302.

It is an arithmetic number, because the mean of its divisors is an integer number (17349592246).

Almost surely, 2^135111505063 is an apocalyptic number.

135111505063 is a deficient number, since it is larger than the sum of its proper divisors (3685232905).

135111505063 is an equidigital number, since it uses as much as digits as its factorization.

135111505063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883473.

The product of its (nonzero) digits is 6750, while the sum is 31.

Adding to 135111505063 its reverse (360505111531), we get a palindrome (495616616594).

The spelling of 135111505063 in words is "one hundred thirty-five billion, one hundred eleven million, five hundred five thousand, sixty-three".