1025577507525 has 24 divisors (see below), whose sum is σ = 1723418560224. Its totient is φ = 538007870400.

The previous prime is 1025577507523. The next prime is 1025577507527. The reversal of 1025577507525 is 5257057755201.

It is an interprime number because it is at equal distance from previous prime (1025577507523) and next prime (1025577507527).

It is not a de Polignac number, because 1025577507525 - 2¹ = 1025577507523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025577507523) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 112080399 + ... + 112089548.

It is an arithmetic number, because the mean of its divisors is an integer number (71809106676).

Almost surely, 2^{1025577507525} is an apocalyptic number.

1025577507525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025577507525 is a deficient number, since it is larger than the sum of its proper divisors (697841052699).

1025577507525 is a wasteful number, since it uses less digits than its factorization.

1025577507525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224170021 (or 224170016 counting only the distinct ones).

The product of its (nonzero) digits is 4287500, while the sum is 51.

The spelling of 1025577507525 in words is "one trillion, twenty-five billion, five hundred seventy-seven million, five hundred seven thousand, five hundred twenty-five".