351011072172241 has 4 divisors (see below), whose sum is σ = 378011923877812. Its totient is φ = 324010220466672.

The previous prime is 351011072172221. The next prime is 351011072172259. The reversal of 351011072172241 is 142271270110153.

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 199433115282241 + 151577956890000 = 14122079^2 + 12311700^2 .

It is a cyclic number.

It is not a de Polignac number, because 351011072172241 - 2¹¹ = 351011072170193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 351011072172241.

It is not an unprimeable number, because it can be changed into a prime (351011072172221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13500425852766 + ... + 13500425852791.

It is an arithmetic number, because the mean of its divisors is an integer number (94502980969453).

Almost surely, 2^{351011072172241} is an apocalyptic number.

It is an amenable number.

351011072172241 is a deficient number, since it is larger than the sum of its proper divisors (27000851705571).

351011072172241 is a wasteful number, since it uses less digits than its factorization.

351011072172241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27000851705570.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 351011072172241 in words is "three hundred fifty-one trillion, eleven billion, seventy-two million, one hundred seventy-two thousand, two hundred forty-one".