16551041225051 has 4 divisors (see below), whose sum is σ = 16555277482152. Its totient is φ = 16546804967952.

The previous prime is 16551041225029. The next prime is 16551041225111. The reversal of 16551041225051 is 15052214015561.

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

It is a cyclic number.

It is not a de Polignac number, because 16551041225051 - 2²² = 16551037030747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16551041224996 and 16551041225014.

It is not an unprimeable number, because it can be changed into a prime (16551041225011) 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, 2118122690 + ... + 2118130503.

It is an arithmetic number, because the mean of its divisors is an integer number (4138819370538).

Almost surely, 2^{16551041225051} is an apocalyptic number.

16551041225051 is a deficient number, since it is larger than the sum of its proper divisors (4236257101).

16551041225051 is an equidigital number, since it uses as much as digits as its factorization.

16551041225051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236257100.

The product of its (nonzero) digits is 60000, while the sum is 38.

The spelling of 16551041225051 in words is "sixteen trillion, five hundred fifty-one billion, forty-one million, two hundred twenty-five thousand, fifty-one".