1025140221425 has 12 divisors (see below), whose sum is σ = 1326442304640. Its totient is φ = 784455125520.

The previous prime is 1025140221409. The next prime is 1025140221527. The reversal of 1025140221425 is 5241220415201.

It is not a de Polignac number, because 1025140221425 - 2⁴ = 1025140221409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891425705 + ... + 891426854.

It is an arithmetic number, because the mean of its divisors is an integer number (110536858720).

Almost surely, 2^{1025140221425} is an apocalyptic number.

It is an amenable number.

1025140221425 is a deficient number, since it is larger than the sum of its proper divisors (301302083215).

1025140221425 is a wasteful number, since it uses less digits than its factorization.

1025140221425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782852592 (or 1782852587 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 1025140221425 its reverse (5241220415201), we get a palindrome (6266360636626).

The spelling of 1025140221425 in words is "one trillion, twenty-five billion, one hundred forty million, two hundred twenty-one thousand, four hundred twenty-five".