15155552032005 has 96 divisors (see below), whose sum is σ = 30801203693568. Its totient is φ = 6292482537600.

The previous prime is 15155552032001. The next prime is 15155552032039. The reversal of 15155552032005 is 50023025555151.

It is not a de Polignac number, because 15155552032005 - 2² = 15155552032001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15155552032001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7712640 + ... + 9476070.

It is an arithmetic number, because the mean of its divisors is an integer number (320845871808).

Almost surely, 2^{15155552032005} is an apocalyptic number.

15155552032005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15155552032005 is an abundant number, since it is smaller than the sum of its proper divisors (15645651661563).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15155552032005 is a wasteful number, since it uses less digits than its factorization.

15155552032005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764527 (or 1764520 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 39.

Adding to 15155552032005 its reverse (50023025555151), we get a palindrome (65178577587156).

The spelling of 15155552032005 in words is "fifteen trillion, one hundred fifty-five billion, five hundred fifty-two million, thirty-two thousand, five".