1025303136563 has 16 divisors (see below), whose sum is σ = 1095583991040. Its totient is φ = 956659572000.

The previous prime is 1025303136521. The next prime is 1025303136577. The reversal of 1025303136563 is 3656313035201.

It is a cyclic number.

It is not a de Polignac number, because 1025303136563 - 2¹⁰ = 1025303135539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025303136593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6839513 + ... + 6987813.

It is an arithmetic number, because the mean of its divisors is an integer number (68473999440).

Almost surely, 2^{1025303136563} is an apocalyptic number.

1025303136563 is a deficient number, since it is larger than the sum of its proper divisors (70280854477).

1025303136563 is a wasteful number, since it uses less digits than its factorization.

1025303136563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153818.

The product of its (nonzero) digits is 145800, while the sum is 38.

The spelling of 1025303136563 in words is "one trillion, twenty-five billion, three hundred three million, one hundred thirty-six thousand, five hundred sixty-three".