1025330453504 has 132 divisors (see below), whose sum is σ = 2400105698640. Its totient is φ = 436513996800.

The previous prime is 1025330453437. The next prime is 1025330453507. The reversal of 1025330453504 is 4053540335201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025330453507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7508912 + ... + 7644240.

Almost surely, 2^{1025330453504} is an apocalyptic number.

1025330453504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025330453504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200052849320).

1025330453504 is an abundant number, since it is smaller than the sum of its proper divisors (1374775245136).

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

1025330453504 is a wasteful number, since it uses less digits than its factorization.

1025330453504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135514 (or 135489 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 1025330453504 its reverse (4053540335201), we get a palindrome (5078870788705).

The spelling of 1025330453504 in words is "one trillion, twenty-five billion, three hundred thirty million, four hundred fifty-three thousand, five hundred four".