16015521041 has 16 divisors (see below), whose sum is σ = 18851148288. Its totient is φ = 13465094400.

The previous prime is 16015521029. The next prime is 16015521043. The reversal of 16015521041 is 14012551061.

It is a cyclic number.

It is not a de Polignac number, because 16015521041 - 2¹⁴ = 16015504657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16015521041.

It is not an unprimeable number, because it can be changed into a prime (16015521043) 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, 1161995 + ... + 1175696.

It is an arithmetic number, because the mean of its divisors is an integer number (1178196768).

Almost surely, 2^16015521041 is an apocalyptic number.

It is an amenable number.

16015521041 is a deficient number, since it is larger than the sum of its proper divisors (2835627247).

16015521041 is a wasteful number, since it uses less digits than its factorization.

16015521041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337752.

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 16015521041 in words is "sixteen billion, fifteen million, five hundred twenty-one thousand, forty-one".