1025397717600 has 144 divisors (see below), whose sum is σ = 3534003215568. Its totient is φ = 257354711040.

The previous prime is 1025397717593. The next prime is 1025397717637. The reversal of 1025397717600 is 67177935201.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1025397717600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12525349 + ... + 12606948.

It is an arithmetic number, because the mean of its divisors is an integer number (24541688997).

Almost surely, 2^{1025397717600} is an apocalyptic number.

1025397717600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025397717600 is an abundant number, since it is smaller than the sum of its proper divisors (2508605497968).

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

1025397717600 is a wasteful number, since it uses less digits than its factorization.

1025397717600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25132337 (or 25132324 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 48.

The spelling of 1025397717600 in words is "one trillion, twenty-five billion, three hundred ninety-seven million, seven hundred seventeen thousand, six hundred".