115132221023 has 4 divisors (see below), whose sum is σ = 119102297640. Its totient is φ = 111162144408.

The previous prime is 115132221007. The next prime is 115132221031. The reversal of 115132221023 is 320122231511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320122231511 = 37 ⋅8651952203.

It is a cyclic number.

It is not a de Polignac number, because 115132221023 - 2⁴ = 115132221007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115132221023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115132221223) 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, 1985038265 + ... + 1985038322.

It is an arithmetic number, because the mean of its divisors is an integer number (29775574410).

Almost surely, 2^115132221023 is an apocalyptic number.

115132221023 is a deficient number, since it is larger than the sum of its proper divisors (3970076617).

115132221023 is an equidigital number, since it uses as much as digits as its factorization.

115132221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970076616.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 115132221023 its reverse (320122231511), we get a palindrome (435254452534).

The spelling of 115132221023 in words is "one hundred fifteen billion, one hundred thirty-two million, two hundred twenty-one thousand, twenty-three".