135615755872558 has 16 divisors (see below), whose sum is σ = 222072586542576. Its totient is φ = 61734464210880.

The previous prime is 135615755872549. The next prime is 135615755872577. The reversal of 135615755872558 is 855278557516531.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35725961188 + ... + 35725964983.

It is an arithmetic number, because the mean of its divisors is an integer number (13879536658911).

Almost surely, 2^{135615755872558} is an apocalyptic number.

135615755872558 is a deficient number, since it is larger than the sum of its proper divisors (86456830670018).

135615755872558 is a wasteful number, since it uses less digits than its factorization.

135615755872558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71451926259.

The product of its digits is 1764000000, while the sum is 73.

The spelling of 135615755872558 in words is "one hundred thirty-five trillion, six hundred fifteen billion, seven hundred fifty-five million, eight hundred seventy-two thousand, five hundred fifty-eight".