361123612361 has 4 divisors (see below), whose sum is σ = 382366177812. Its totient is φ = 339881046912.

The previous prime is 361123612249. The next prime is 361123612363. The reversal of 361123612361 is 163216321163.

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 302259147961 + 58864464400 = 549781^2 + 242620^2 .

It is a cyclic number.

It is not a de Polignac number, because 361123612361 - 2³⁴ = 343943743177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (361123612363) 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, 10621282700 + ... + 10621282733.

It is an arithmetic number, because the mean of its divisors is an integer number (95591544453).

Almost surely, 2^361123612361 is an apocalyptic number.

It is an amenable number.

361123612361 is a deficient number, since it is larger than the sum of its proper divisors (21242565451).

361123612361 is a wasteful number, since it uses less digits than its factorization.

361123612361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21242565450.

The product of its digits is 23328, while the sum is 35.

The spelling of 361123612361 in words is "three hundred sixty-one billion, one hundred twenty-three million, six hundred twelve thousand, three hundred sixty-one".