115550523021201 has 4 divisors (see below), whose sum is σ = 154067364028272. Its totient is φ = 77033682014132.

The previous prime is 115550523021161. The next prime is 115550523021217. The reversal of 115550523021201 is 102120325055511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115550523021201 - 2⁶ = 115550523021137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115550523011201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19258420503531 + ... + 19258420503536.

It is an arithmetic number, because the mean of its divisors is an integer number (38516841007068).

Almost surely, 2^{115550523021201} is an apocalyptic number.

It is an amenable number.

115550523021201 is a deficient number, since it is larger than the sum of its proper divisors (38516841007071).

115550523021201 is an equidigital number, since it uses as much as digits as its factorization.

115550523021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38516841007070.

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 115550523021201 its reverse (102120325055511), we get a palindrome (217670848076712).

The spelling of 115550523021201 in words is "one hundred fifteen trillion, five hundred fifty billion, five hundred twenty-three million, twenty-one thousand, two hundred one".