135111501455 has 16 divisors (see below), whose sum is σ = 185301739584. Its totient is φ = 92644903680.

The previous prime is 135111501451. The next prime is 135111501457. The reversal of 135111501455 is 554105111531.

It is a happy number.

It is not a de Polignac number, because 135111501455 - 2² = 135111501451 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 (135111501451) 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 15 ways as a sum of consecutive naturals, for example, 2094869 + ... + 2158401.

It is an arithmetic number, because the mean of its divisors is an integer number (11581358724).

Almost surely, 2^135111501455 is an apocalyptic number.

135111501455 is a deficient number, since it is larger than the sum of its proper divisors (50190238129).

135111501455 is an equidigital number, since it uses as much as digits as its factorization.

135111501455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124306.

The product of its (nonzero) digits is 7500, while the sum is 32.

Adding to 135111501455 its reverse (554105111531), we get a palindrome (689216612986).

The spelling of 135111501455 in words is "one hundred thirty-five billion, one hundred eleven million, five hundred one thousand, four hundred fifty-five".