1023561135325 has 24 divisors (see below), whose sum is σ = 1278832212000. Its totient is φ = 812649255360.

The previous prime is 1023561135313. The next prime is 1023561135343. The reversal of 1023561135325 is 5235311653201.

It is not a de Polignac number, because 1023561135325 - 2¹¹ = 1023561133277 is a prime.

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, 9324459 + ... + 9433591.

It is an arithmetic number, because the mean of its divisors is an integer number (53284675500).

Almost surely, 2^{1023561135325} is an apocalyptic number.

It is an amenable number.

1023561135325 is a deficient number, since it is larger than the sum of its proper divisors (255271076675).

1023561135325 is a wasteful number, since it uses less digits than its factorization.

1023561135325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111981 (or 111976 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 1023561135325 its reverse (5235311653201), we get a palindrome (6258872788526).

The spelling of 1023561135325 in words is "one trillion, twenty-three billion, five hundred sixty-one million, one hundred thirty-five thousand, three hundred twenty-five".