1025506456504 has 8 divisors (see below), whose sum is σ = 1922824605960. Its totient is φ = 512753228248.

The previous prime is 1025506456493. The next prime is 1025506456517. The reversal of 1025506456504 is 4056546055201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64094153524 + ... + 64094153539.

It is an arithmetic number, because the mean of its divisors is an integer number (240353075745).

Almost surely, 2^{1025506456504} is an apocalyptic number.

It is an amenable number.

1025506456504 is a deficient number, since it is larger than the sum of its proper divisors (897318149456).

1025506456504 is a wasteful number, since it uses less digits than its factorization.

1025506456504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128188307069 (or 128188307065 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 1025506456504 in words is "one trillion, twenty-five billion, five hundred six million, four hundred fifty-six thousand, five hundred four".