135511135415 has 4 divisors (see below), whose sum is σ = 162613362504. Its totient is φ = 108408908328.

The previous prime is 135511135367. The next prime is 135511135423. The reversal of 135511135415 is 514531115531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514531115531 = 23509 ⋅21886559.

It is a cyclic number.

It is not a de Polignac number, because 135511135415 - 2¹⁰ = 135511134391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13551113537 + ... + 13551113546.

It is an arithmetic number, because the mean of its divisors is an integer number (40653340626).

Almost surely, 2^135511135415 is an apocalyptic number.

135511135415 is a deficient number, since it is larger than the sum of its proper divisors (27102227089).

135511135415 is an equidigital number, since it uses as much as digits as its factorization.

135511135415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27102227088.

The product of its digits is 22500, while the sum is 35.

The spelling of 135511135415 in words is "one hundred thirty-five billion, five hundred eleven million, one hundred thirty-five thousand, four hundred fifteen".