225016315913 has 2 divisors, whose sum is σ = 225016315914. Its totient is φ = 225016315912.

The previous prime is 225016315891. The next prime is 225016315921. The reversal of 225016315913 is 319513610522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184116511744 + 40899804169 = 429088^2 + 202237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225016315913 is a prime.

It is not a weakly prime, because it can be changed into another prime (225016311913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112508157956 + 112508157957.

It is an arithmetic number, because the mean of its divisors is an integer number (112508157957).

Almost surely, 2^225016315913 is an apocalyptic number.

It is an amenable number.

225016315913 is a deficient number, since it is larger than the sum of its proper divisors (1).

225016315913 is an equidigital number, since it uses as much as digits as its factorization.

225016315913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 225016315913 in words is "two hundred twenty-five billion, sixteen million, three hundred fifteen thousand, nine hundred thirteen".