1025520125452 has 24 divisors (see below), whose sum is σ = 1805804963424. Its totient is φ = 509581723392.

The previous prime is 1025520125423. The next prime is 1025520125491. The reversal of 1025520125452 is 2545210255201.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34653 + ... + 1432564.

It is an arithmetic number, because the mean of its divisors is an integer number (75241873476).

Almost surely, 2^{1025520125452} is an apocalyptic number.

It is an amenable number.

1025520125452 is a deficient number, since it is larger than the sum of its proper divisors (780284837972).

1025520125452 is a wasteful number, since it uses less digits than its factorization.

1025520125452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468305 (or 1468303 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 1025520125452 in words is "one trillion, twenty-five billion, five hundred twenty million, one hundred twenty-five thousand, four hundred fifty-two".