361245777225 has 24 divisors (see below), whose sum is σ = 597959978112. Its totient is φ = 192438513600.

The previous prime is 361245777209. The next prime is 361245777227. The reversal of 361245777225 is 522777542163.

It is not a de Polignac number, because 361245777225 - 2⁴ = 361245777209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (361245777227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2759361 + ... + 2887310.

It is an arithmetic number, because the mean of its divisors is an integer number (24914999088).

Almost surely, 2^361245777225 is an apocalyptic number.

It is an amenable number.

361245777225 is a deficient number, since it is larger than the sum of its proper divisors (236714200887).

361245777225 is a wasteful number, since it uses less digits than its factorization.

361245777225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647537 (or 5647532 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 51.

The spelling of 361245777225 in words is "three hundred sixty-one billion, two hundred forty-five million, seven hundred seventy-seven thousand, two hundred twenty-five".