135487654911 has 32 divisors (see below), whose sum is σ = 229449715200. Its totient is φ = 77403755520.

The previous prime is 135487654843. The next prime is 135487654921. The reversal of 135487654911 is 119456784531.

135487654911 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 87 + 6 + 549 + 11 = 666.

It is not a de Polignac number, because 135487654911 - 2³⁰ = 134413913087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135487654921) 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, 766920 + ... + 926898.

It is an arithmetic number, because the mean of its divisors is an integer number (7170303600).

Almost surely, 2^135487654911 is an apocalyptic number.

135487654911 is a deficient number, since it is larger than the sum of its proper divisors (93962060289).

135487654911 is a wasteful number, since it uses less digits than its factorization.

135487654911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164476 (or 164470 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 135487654911 in words is "one hundred thirty-five billion, four hundred eighty-seven million, six hundred fifty-four thousand, nine hundred eleven".