16115111082 has 96 divisors (see below), whose sum is σ = 42280338240. Its totient is φ = 4535546400.

The previous prime is 16115111081. The next prime is 16115111093. The reversal of 16115111082 is 28011151161.

16115111082 is a `hidden beast` number, since 1 + 61 + 1 + 511 + 10 + 82 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16115111081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131832 + ... + 222732.

It is an arithmetic number, because the mean of its divisors is an integer number (440420190).

Almost surely, 2^16115111082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16115111082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21140169120).

16115111082 is an abundant number, since it is smaller than the sum of its proper divisors (26165227158).

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

16115111082 is a wasteful number, since it uses less digits than its factorization.

16115111082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90993 (or 90980 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 27.

The spelling of 16115111082 in words is "sixteen billion, one hundred fifteen million, one hundred eleven thousand, eighty-two".