42266056525225 has 27 divisors (see below), whose sum is σ = 56752126861413. Its totient is φ = 31211545067040.

The previous prime is 42266056525201. The next prime is 42266056525229. The reversal of 42266056525225 is 52252565066224.

The square root of 42266056525225 is 6501235.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 10894138593129 + 31371917932096 = 3300627^2 + 5601064^2 .

It is not a de Polignac number, because 42266056525225 - 2¹⁷ = 42266056394153 is a prime.

It is a super-2 number, since 2×42266056525225² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42266056525229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 422530266 + ... + 422630284.

Almost surely, 2^{42266056525225} is an apocalyptic number.

42266056525225 is the 6501235-th square number.

42266056525225 is the 3250618-th centered octagonal number.

It is an amenable number.

42266056525225 is a deficient number, since it is larger than the sum of its proper divisors (14486070336188).

42266056525225 is an frugal number, since it uses more digits than its factorization.

42266056525225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200074 (or 100037 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 52.

The spelling of 42266056525225 in words is "forty-two trillion, two hundred sixty-six billion, fifty-six million, five hundred twenty-five thousand, two hundred twenty-five".