225015515201 has 2 divisors, whose sum is σ = 225015515202. Its totient is φ = 225015515200.

The previous prime is 225015515147. The next prime is 225015515251. The reversal of 225015515201 is 102515510522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197051649025 + 27963866176 = 443905^2 + 167224^2 .

It is a cyclic number.

It is not a de Polignac number, because 225015515201 - 2¹⁰ = 225015514177 is a prime.

It is not a weakly prime, because it can be changed into another prime (225015515251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112507757600 + 112507757601.

It is an arithmetic number, because the mean of its divisors is an integer number (112507757601).

Almost surely, 2^225015515201 is an apocalyptic number.

It is an amenable number.

225015515201 is a deficient number, since it is larger than the sum of its proper divisors (1).

225015515201 is an equidigital number, since it uses as much as digits as its factorization.

225015515201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 225015515201 in words is "two hundred twenty-five billion, fifteen million, five hundred fifteen thousand, two hundred one".