155606135013 has 48 divisors (see below), whose sum is σ = 271271669760. Its totient is φ = 84027015072.

The previous prime is 155606134949. The next prime is 155606135053. The reversal of 155606135013 is 310531606551.

155606135013 is a `hidden beast` number, since 1 + 5 + 5 + 606 + 1 + 35 + 0 + 13 = 666.

It is not a de Polignac number, because 155606135013 - 2⁶ = 155606134949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155606135053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 526653 + ... + 767186.

It is an arithmetic number, because the mean of its divisors is an integer number (5651493120).

Almost surely, 2^155606135013 is an apocalyptic number.

It is an amenable number.

155606135013 is a deficient number, since it is larger than the sum of its proper divisors (115665534747).

155606135013 is a wasteful number, since it uses less digits than its factorization.

155606135013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293958 (or 1293955 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 155606135013 in words is "one hundred fifty-five billion, six hundred six million, one hundred thirty-five thousand, thirteen".