135511540331545 has 32 divisors (see below), whose sum is σ = 193817104459776. Its totient is φ = 88997649868800.

The previous prime is 135511540331539. The next prime is 135511540331581. The reversal of 135511540331545 is 545133045115531.

It is a happy number.

It is not a de Polignac number, because 135511540331545 - 2³ = 135511540331537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135511540331495 and 135511540331504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643685626 + ... + 643896115.

It is an arithmetic number, because the mean of its divisors is an integer number (6056784514368).

Almost surely, 2^{135511540331545} is an apocalyptic number.

It is an amenable number.

135511540331545 is a deficient number, since it is larger than the sum of its proper divisors (58305564128231).

135511540331545 is a wasteful number, since it uses less digits than its factorization.

135511540331545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287581881.

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 135511540331545 in words is "one hundred thirty-five trillion, five hundred eleven billion, five hundred forty million, three hundred thirty-one thousand, five hundred forty-five".