2015623761116 has 48 divisors (see below), whose sum is σ = 4143909072576. Its totient is φ = 839738824704.

The previous prime is 2015623761043. The next prime is 2015623761119. The reversal of 2015623761116 is 6111673265102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015623761119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286316 + ... + 2028108.

It is an arithmetic number, because the mean of its divisors is an integer number (86331439012).

Almost surely, 2^{2015623761116} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2015623761116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2071954536288).

2015623761116 is an abundant number, since it is smaller than the sum of its proper divisors (2128285311460).

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

2015623761116 is a wasteful number, since it uses less digits than its factorization.

2015623761116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742958 (or 1742956 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 2015623761116 in words is "two trillion, fifteen billion, six hundred twenty-three million, seven hundred sixty-one thousand, one hundred sixteen".