1025231555020 has 24 divisors (see below), whose sum is σ = 2153006074800. Its totient is φ = 410088848832.

The previous prime is 1025231555017. The next prime is 1025231555041. The reversal of 1025231555020 is 205551325201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3246286 + ... + 3548074.

It is an arithmetic number, because the mean of its divisors is an integer number (89708586450).

Almost surely, 2^{1025231555020} is an apocalyptic number.

1025231555020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025231555020 is an abundant number, since it is smaller than the sum of its proper divisors (1127774519780).

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

1025231555020 is a wasteful number, since it uses less digits than its factorization.

1025231555020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471657 (or 471655 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 1025231555020 in words is "one trillion, twenty-five billion, two hundred thirty-one million, five hundred fifty-five thousand, twenty".