135155766454555 has 32 divisors (see below), whose sum is σ = 212849546088960. Its totient is φ = 79818579774720.

The previous prime is 135155766454481. The next prime is 135155766454559. The reversal of 135155766454555 is 555454667551531.

It is not a de Polignac number, because 135155766454555 - 2¹¹ = 135155766452507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135155766454559) 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, 9238254234 + ... + 9238268863.

It is an arithmetic number, because the mean of its divisors is an integer number (6651548315280).

Almost surely, 2^{135155766454555} is an apocalyptic number.

135155766454555 is a deficient number, since it is larger than the sum of its proper divisors (77693779634405).

135155766454555 is a wasteful number, since it uses less digits than its factorization.

135155766454555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18476523139.

The product of its digits is 945000000, while the sum is 67.

The spelling of 135155766454555 in words is "one hundred thirty-five trillion, one hundred fifty-five billion, seven hundred sixty-six million, four hundred fifty-four thousand, five hundred fifty-five".