361951611841 has 4 divisors (see below), whose sum is σ = 367885244884. Its totient is φ = 356017978800.

The previous prime is 361951611829. The next prime is 361951611863. The reversal of 361951611841 is 148116159163.

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 102829890241 + 259121721600 = 320671^2 + 509040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361951611841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 361951611791 and 361951611800.

It is not an unprimeable number, because it can be changed into a prime (361951614841) 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, 2966816430 + ... + 2966816551.

It is an arithmetic number, because the mean of its divisors is an integer number (91971311221).

Almost surely, 2^361951611841 is an apocalyptic number.

It is an amenable number.

361951611841 is a deficient number, since it is larger than the sum of its proper divisors (5933633043).

361951611841 is an equidigital number, since it uses as much as digits as its factorization.

361951611841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933633042.

The product of its digits is 155520, while the sum is 46.

The spelling of 361951611841 in words is "three hundred sixty-one billion, nine hundred fifty-one million, six hundred eleven thousand, eight hundred forty-one".