16011011562101 has 4 divisors (see below), whose sum is σ = 16563115409100. Its totient is φ = 15458907715104.

The previous prime is 16011011562059. The next prime is 16011011562107. The reversal of 16011011562101 is 10126511011061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9501374704900 + 6509636857201 = 3082430^2 + 2551399^2 .

It is a cyclic number.

It is not a de Polignac number, because 16011011562101 - 2³⁸ = 15736133655157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16011011562107) 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, 276051923456 + ... + 276051923513.

It is an arithmetic number, because the mean of its divisors is an integer number (4140778852275).

Almost surely, 2^{16011011562101} is an apocalyptic number.

It is an amenable number.

16011011562101 is a deficient number, since it is larger than the sum of its proper divisors (552103846999).

16011011562101 is an equidigital number, since it uses as much as digits as its factorization.

16011011562101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552103846998.

The product of its (nonzero) digits is 360, while the sum is 26.

Adding to 16011011562101 its reverse (10126511011061), we get a palindrome (26137522573162).

The spelling of 16011011562101 in words is "sixteen trillion, eleven billion, eleven million, five hundred sixty-two thousand, one hundred one".