16115728223061 has 6 divisors (see below), whose sum is σ = 23278274099990. Its totient is φ = 10743818815368.

The previous prime is 16115728223003. The next prime is 16115728223099. The reversal of 16115728223061 is 16032282751161.

16115728223061 is a `hidden beast` number, since 1 + 6 + 11 + 57 + 282 + 2 + 306 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15880982159025 + 234746064036 = 3985095^2 + 484506^2 .

It is not a de Polignac number, because 16115728223061 - 2¹³ = 16115728214869 is a prime.

It is a super-3 number, since 3×16115728223061³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16115728222998 and 16115728223016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16115728223461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 895318234606 + ... + 895318234623.

Almost surely, 2^{16115728223061} is an apocalyptic number.

It is an amenable number.

16115728223061 is a deficient number, since it is larger than the sum of its proper divisors (7162545876929).

16115728223061 is a wasteful number, since it uses less digits than its factorization.

16115728223061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790636469235 (or 1790636469232 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 16115728223061 in words is "sixteen trillion, one hundred fifteen billion, seven hundred twenty-eight million, two hundred twenty-three thousand, sixty-one".