15171332620112 has 10 divisors (see below), whose sum is σ = 29394456951498. Its totient is φ = 7585666310048.

The previous prime is 15171332620061. The next prime is 15171332620133. The reversal of 15171332620112 is 21102623317151.

It can be written as a sum of positive squares in only one way, i.e., 10308055099456 + 4863277520656 = 3210616^2 + 2205284^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474104144363 + ... + 474104144394.

Almost surely, 2^{15171332620112} is an apocalyptic number.

It is an amenable number.

15171332620112 is a deficient number, since it is larger than the sum of its proper divisors (14223124331386).

15171332620112 is an equidigital number, since it uses as much as digits as its factorization.

15171332620112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948208288765 (or 948208288759 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

Adding to 15171332620112 its reverse (21102623317151), we get a palindrome (36273955937263).

The spelling of 15171332620112 in words is "fifteen trillion, one hundred seventy-one billion, three hundred thirty-two million, six hundred twenty thousand, one hundred twelve".