1040536215641 has 8 divisors (see below), whose sum is σ = 1120856756040. Its totient is φ = 960255574272.

The previous prime is 1040536215557. The next prime is 1040536215659. The reversal of 1040536215641 is 1465126350401.

It can be written as a sum of positive squares in 4 ways, for example, as 358968739600 + 681567476041 = 599140^2 + 825571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040536215641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1040536215595 and 1040536215604.

It is not an unprimeable number, because it can be changed into a prime (1040536215661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9920576 + ... + 10024913.

It is an arithmetic number, because the mean of its divisors is an integer number (140107094505).

Almost surely, 2^{1040536215641} is an apocalyptic number.

It is an amenable number.

1040536215641 is a deficient number, since it is larger than the sum of its proper divisors (80320540399).

1040536215641 is a wasteful number, since it uses less digits than its factorization.

1040536215641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19949515.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 1040536215641 in words is "one trillion, forty billion, five hundred thirty-six million, two hundred fifteen thousand, six hundred forty-one".