10235615032081 has 2 divisors, whose sum is σ = 10235615032082. Its totient is φ = 10235615032080.

The previous prime is 10235615032051. The next prime is 10235615032087. The reversal of 10235615032081 is 18023051653201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10105506935056 + 130108097025 = 3178916^2 + 360705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10235615032081 is a prime.

It is a super-2 number, since 2×10235615032081² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10235615032081.

It is not a weakly prime, because it can be changed into another prime (10235615032087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5117807516040 + 5117807516041.

It is an arithmetic number, because the mean of its divisors is an integer number (5117807516041).

Almost surely, 2^{10235615032081} is an apocalyptic number.

It is an amenable number.

10235615032081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10235615032081 is an equidigital number, since it uses as much as digits as its factorization.

10235615032081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 10235615032081 its reverse (18023051653201), we get a palindrome (28258666685282).

The spelling of 10235615032081 in words is "ten trillion, two hundred thirty-five billion, six hundred fifteen million, thirty-two thousand, eighty-one".