15510005161116 has 12 divisors (see below), whose sum is σ = 36190012042632. Its totient is φ = 5170001720368.

The previous prime is 15510005161111. The next prime is 15510005161181. The reversal of 15510005161116 is 61116150001551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15510005161111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646250215035 + ... + 646250215058.

It is an arithmetic number, because the mean of its divisors is an integer number (3015834336886).

Almost surely, 2^{15510005161116} is an apocalyptic number.

It is an amenable number.

15510005161116 is an abundant number, since it is smaller than the sum of its proper divisors (20680006881516).

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

15510005161116 is a wasteful number, since it uses less digits than its factorization.

15510005161116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292500430100 (or 1292500430098 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 33.

Adding to 15510005161116 its reverse (61116150001551), we get a palindrome (76626155162667).

The spelling of 15510005161116 in words is "fifteen trillion, five hundred ten billion, five million, one hundred sixty-one thousand, one hundred sixteen".