1025663905692 has 72 divisors (see below), whose sum is σ = 2642011313760. Its totient is φ = 335381005440.

The previous prime is 1025663905681. The next prime is 1025663905709. The reversal of 1025663905692 is 2965093665201.

It is a happy number.

1025663905692 is a `hidden beast` number, since 10 + 2 + 5 + 6 + 63 + 9 + 0 + 569 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12209409 + ... + 12293127.

It is an arithmetic number, because the mean of its divisors is an integer number (36694601580).

Almost surely, 2^{1025663905692} is an apocalyptic number.

1025663905692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025663905692 is an abundant number, since it is smaller than the sum of its proper divisors (1616347408068).

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

1025663905692 is a wasteful number, since it uses less digits than its factorization.

1025663905692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90203 (or 90198 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 1025663905692 in words is "one trillion, twenty-five billion, six hundred sixty-three million, nine hundred five thousand, six hundred ninety-two".