225016023157 has 2 divisors, whose sum is σ = 225016023158. Its totient is φ = 225016023156.

The previous prime is 225016023139. The next prime is 225016023163. The reversal of 225016023157 is 751320610522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216081803716 + 8934219441 = 464846^2 + 94521^2 .

It is a cyclic number.

It is not a de Polignac number, because 225016023157 - 2²³ = 225007634549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225016023187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112508011578 + 112508011579.

It is an arithmetic number, because the mean of its divisors is an integer number (112508011579).

Almost surely, 2^225016023157 is an apocalyptic number.

It is an amenable number.

225016023157 is a deficient number, since it is larger than the sum of its proper divisors (1).

225016023157 is an equidigital number, since it uses as much as digits as its factorization.

225016023157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 225016023157 its reverse (751320610522), we get a palindrome (976336633679).

The spelling of 225016023157 in words is "two hundred twenty-five billion, sixteen million, twenty-three thousand, one hundred fifty-seven".