15155552032012 has 12 divisors (see below), whose sum is σ = 30311104064080. Its totient is φ = 6495236585136.

The previous prime is 15155552032001. The next prime is 15155552032039. The reversal of 15155552032012 is 21023025555151.

15155552032012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270634857687 + ... + 270634857742.

Almost surely, 2^{15155552032012} is an apocalyptic number.

It is an amenable number.

15155552032012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15155552032012 is a wasteful number, since it uses less digits than its factorization.

15155552032012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541269715440 (or 541269715438 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 37.

Adding to 15155552032012 its reverse (21023025555151), we get a palindrome (36178577587163).

The spelling of 15155552032012 in words is "fifteen trillion, one hundred fifty-five billion, five hundred fifty-two million, thirty-two thousand, twelve".