115563335641 has 16 divisors (see below), whose sum is σ = 131790579984. Its totient is φ = 100385961984.

The previous prime is 115563335621. The next prime is 115563335651. The reversal of 115563335641 is 146533365511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7072810000 + 108490525641 = 84100^2 + 329379^2 .

It is a cyclic number.

It is not a de Polignac number, because 115563335641 - 2⁵ = 115563335609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115563335621) 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, 1944925 + ... + 2003461.

It is an arithmetic number, because the mean of its divisors is an integer number (8236911249).

Almost surely, 2^115563335641 is an apocalyptic number.

It is an amenable number.

115563335641 is a deficient number, since it is larger than the sum of its proper divisors (16227244343).

115563335641 is a wasteful number, since it uses less digits than its factorization.

115563335641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67500.

The product of its digits is 486000, while the sum is 43.

The spelling of 115563335641 in words is "one hundred fifteen billion, five hundred sixty-three million, three hundred thirty-five thousand, six hundred forty-one".