199441121151 has 8 divisors (see below), whose sum is σ = 266006276784. Its totient is φ = 132918356480.

The previous prime is 199441121137. The next prime is 199441121167. The reversal of 199441121151 is 151121144991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199441121151 - 2²⁷ = 199306903423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199441121651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10586760 + ... + 10605581.

It is an arithmetic number, because the mean of its divisors is an integer number (33250784598).

Almost surely, 2^199441121151 is an apocalyptic number.

199441121151 is a deficient number, since it is larger than the sum of its proper divisors (66565155633).

199441121151 is a wasteful number, since it uses less digits than its factorization.

199441121151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21195481.

The product of its digits is 12960, while the sum is 39.

The spelling of 199441121151 in words is "one hundred ninety-nine billion, four hundred forty-one million, one hundred twenty-one thousand, one hundred fifty-one".