16051975011 has 20 divisors (see below), whose sum is σ = 25021438992. Its totient is φ = 10236040848.

The previous prime is 16051974989. The next prime is 16051975013. The reversal of 16051975011 is 11057915061.

16051975011 is a `hidden beast` number, since 1 + 60 + 5 + 1 + 97 + 501 + 1 = 666.

It is not a de Polignac number, because 16051975011 - 2¹⁵ = 16051942243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16051975013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4306236 + ... + 4309961.

Almost surely, 2^16051975011 is an apocalyptic number.

16051975011 is a deficient number, since it is larger than the sum of its proper divisors (8969463981).

16051975011 is an equidigital number, since it uses as much as digits as its factorization.

16051975011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8616232 (or 8616223 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 36.

The spelling of 16051975011 in words is "sixteen billion, fifty-one million, nine hundred seventy-five thousand, eleven".