16011155771 has 16 divisors (see below), whose sum is σ = 18225678240. Its totient is φ = 13943508480.

The previous prime is 16011155767. The next prime is 16011155777. The reversal of 16011155771 is 17755111061.

It is a cyclic number.

It is not a de Polignac number, because 16011155771 - 2² = 16011155767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16011155777) 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, 74960 + ... + 194013.

It is an arithmetic number, because the mean of its divisors is an integer number (1139104890).

Almost surely, 2^16011155771 is an apocalyptic number.

16011155771 is a deficient number, since it is larger than the sum of its proper divisors (2214522469).

16011155771 is a wasteful number, since it uses less digits than its factorization.

16011155771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269246.

The product of its (nonzero) digits is 7350, while the sum is 35.

The spelling of 16011155771 in words is "sixteen billion, eleven million, one hundred fifty-five thousand, seven hundred seventy-one".