115646631543201 has 48 divisors (see below), whose sum is σ = 182399412190464. Its totient is φ = 64884583104000.

The previous prime is 115646631543187. The next prime is 115646631543241. The reversal of 115646631543201 is 102345136646511.

It is not a de Polignac number, because 115646631543201 - 2¹¹ = 115646631541153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115646631543241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153232905 + ... + 153985766.

It is an arithmetic number, because the mean of its divisors is an integer number (3799987753968).

Almost surely, 2^{115646631543201} is an apocalyptic number.

115646631543201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115646631543201 is a deficient number, since it is larger than the sum of its proper divisors (66752780647263).

115646631543201 is a wasteful number, since it uses less digits than its factorization.

115646631543201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307218774 (or 307218763 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 115646631543201 in words is "one hundred fifteen trillion, six hundred forty-six billion, six hundred thirty-one million, five hundred forty-three thousand, two hundred one".