401045126315225 has 24 divisors (see below), whose sum is σ = 568344508915008. Its totient is φ = 274999337121600.

The previous prime is 401045126315221. The next prime is 401045126315231. The reversal of 401045126315225 is 522513621540104.

It is a happy number.

It is not a de Polignac number, because 401045126315225 - 2² = 401045126315221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401045126315221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3311687 + ... + 28514163.

It is an arithmetic number, because the mean of its divisors is an integer number (23681021204792).

Almost surely, 2^{401045126315225} is an apocalyptic number.

It is an amenable number.

401045126315225 is a deficient number, since it is larger than the sum of its proper divisors (167299382599783).

401045126315225 is a wasteful number, since it uses less digits than its factorization.

401045126315225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25293425 (or 25293420 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 401045126315225 its reverse (522513621540104), we get a palindrome (923558747855329).

The spelling of 401045126315225 in words is "four hundred one trillion, forty-five billion, one hundred twenty-six million, three hundred fifteen thousand, two hundred twenty-five".