1040323511525 has 6 divisors (see below), whose sum is σ = 1290001154322. Its totient is φ = 832258809200.

The previous prime is 1040323511497. The next prime is 1040323511537. The reversal of 1040323511525 is 5251153230401.

It can be written as a sum of positive squares in 3 ways, for example, as 236428365121 + 803895146404 = 486239^2 + 896602^2 .

It is not a de Polignac number, because 1040323511525 - 2²² = 1040319317221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040323511491 and 1040323511500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20806470206 + ... + 20806470255.

It is an arithmetic number, because the mean of its divisors is an integer number (215000192387).

Almost surely, 2^{1040323511525} is an apocalyptic number.

It is an amenable number.

1040323511525 is a deficient number, since it is larger than the sum of its proper divisors (249677642797).

1040323511525 is an equidigital number, since it uses as much as digits as its factorization.

1040323511525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41612940471 (or 41612940466 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 1040323511525 its reverse (5251153230401), we get a palindrome (6291476741926).

The spelling of 1040323511525 in words is "one trillion, forty billion, three hundred twenty-three million, five hundred eleven thousand, five hundred twenty-five".