155585738073 has 8 divisors (see below), whose sum is σ = 207458091328. Its totient is φ = 103718605104.

The previous prime is 155585738071. The next prime is 155585738081. The reversal of 155585738073 is 370837585551.

155585738073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155585738073 - 2¹ = 155585738071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155585738071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234990 + ... + 1355127.

It is an arithmetic number, because the mean of its divisors is an integer number (25932261416).

Almost surely, 2^155585738073 is an apocalyptic number.

It is an amenable number.

155585738073 is a deficient number, since it is larger than the sum of its proper divisors (51872353255).

155585738073 is a wasteful number, since it uses less digits than its factorization.

155585738073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610143.

The product of its (nonzero) digits is 17640000, while the sum is 57.

The spelling of 155585738073 in words is "one hundred fifty-five billion, five hundred eighty-five million, seven hundred thirty-eight thousand, seventy-three".