361085778251 has 16 divisors (see below), whose sum is σ = 403222192128. Its totient is φ = 320533372800.

The previous prime is 361085778239. The next prime is 361085778253. The reversal of 361085778251 is 152877580163.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361085778251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 361085778193 and 361085778202.

It is not an unprimeable number, because it can be changed into a prime (361085778253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582635 + ... + 1030356.

It is an arithmetic number, because the mean of its divisors is an integer number (25201387008).

Almost surely, 2^361085778251 is an apocalyptic number.

361085778251 is a deficient number, since it is larger than the sum of its proper divisors (42136413877).

361085778251 is a wasteful number, since it uses less digits than its factorization.

361085778251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613482.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 361085778251 in words is "three hundred sixty-one billion, eighty-five million, seven hundred seventy-eight thousand, two hundred fifty-one".