361085778253 has 2 divisors, whose sum is σ = 361085778254. Its totient is φ = 361085778252.

The previous prime is 361085778239. The next prime is 361085778269. The reversal of 361085778253 is 352877580163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260331591529 + 100754186724 = 510227^2 + 317418^2 .

It is a cyclic number.

It is not a de Polignac number, because 361085778253 - 2²⁵ = 361052223821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 361085778194 and 361085778203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361085778233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180542889126 + 180542889127.

It is an arithmetic number, because the mean of its divisors is an integer number (180542889127).

Almost surely, 2^361085778253 is an apocalyptic number.

It is an amenable number.

361085778253 is a deficient number, since it is larger than the sum of its proper divisors (1).

361085778253 is an equidigital number, since it uses as much as digits as its factorization.

361085778253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 361085778253 in words is "three hundred sixty-one billion, eighty-five million, seven hundred seventy-eight thousand, two hundred fifty-three".