16000001101156 has 12 divisors (see below), whose sum is σ = 28000184097340. Its totient is φ = 7999948501920.

The previous prime is 16000001100953. The next prime is 16000001101157. The reversal of 16000001101156 is 65110110000061.

It can be written as a sum of positive squares in 2 ways, for example, as 5031120776256 + 10968880324900 = 2243016^2 + 3311930^2 .

It is not an unprimeable number, because it can be changed into a prime (16000001101157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12316371 + ... + 13553338.

Almost surely, 2^{16000001101156} is an apocalyptic number.

It is an amenable number.

16000001101156 is a deficient number, since it is larger than the sum of its proper divisors (12000182996184).

16000001101156 is a wasteful number, since it uses less digits than its factorization.

16000001101156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26024334 (or 26024332 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

The spelling of 16000001101156 in words is "sixteen trillion, one million, one hundred one thousand, one hundred fifty-six".