361085778203 has 4 divisors (see below), whose sum is σ = 376785159888. Its totient is φ = 345386396520.

The previous prime is 361085778169. The next prime is 361085778233. The reversal of 361085778203 is 302877580163.

It is a happy number.

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 361085778203 - 2²⁰ = 361084729627 is a prime.

It is a super-2 number, since 2×361085778203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361085778233) 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, 7849690808 + ... + 7849690853.

It is an arithmetic number, because the mean of its divisors is an integer number (94196289972).

Almost surely, 2^361085778203 is an apocalyptic number.

361085778203 is a deficient number, since it is larger than the sum of its proper divisors (15699381685).

361085778203 is a wasteful number, since it uses less digits than its factorization.

361085778203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15699381684.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 361085778203 in words is "three hundred sixty-one billion, eighty-five million, seven hundred seventy-eight thousand, two hundred three".