225801125580 has 48 divisors (see below), whose sum is σ = 632277080064. Its totient is φ = 60210402240.

The previous prime is 225801125513. The next prime is 225801125597. The reversal of 225801125580 is 85521108522.

It is a super-2 number, since 2×225801125580² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155669 + ... + 1336851.

It is an arithmetic number, because the mean of its divisors is an integer number (13172439168).

Almost surely, 2^225801125580 is an apocalyptic number.

225801125580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225801125580 is an abundant number, since it is smaller than the sum of its proper divisors (406475954484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225801125580 is a wasteful number, since it uses less digits than its factorization.

225801125580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201966 (or 201964 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 39.

The spelling of 225801125580 in words is "two hundred twenty-five billion, eight hundred one million, one hundred twenty-five thousand, five hundred eighty".