1025225543424 has 36 divisors (see below), whose sum is σ = 2728595068136. Its totient is φ = 341741847552.

The previous prime is 1025225543417. The next prime is 1025225543429. The reversal of 1025225543424 is 4243455225201.

It is a super-2 number, since 2×1025225543424² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025225543429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667463779 + ... + 667465314.

Almost surely, 2^{1025225543424} is an apocalyptic number.

It is an amenable number.

1025225543424 is an abundant number, since it is smaller than the sum of its proper divisors (1703369524712).

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

1025225543424 is an equidigital number, since it uses as much as digits as its factorization.

1025225543424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334929112 (or 1334929098 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 1025225543424 in words is "one trillion, twenty-five billion, two hundred twenty-five million, five hundred forty-three thousand, four hundred twenty-four".