115355145442133 has 4 divisors (see below), whose sum is σ = 115495651101228. Its totient is φ = 115214639783040.

The previous prime is 115355145442081. The next prime is 115355145442169. The reversal of 115355145442133 is 331244541553511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59642983614769 + 55712161827364 = 7722887^2 + 7464058^2 .

It is a cyclic number.

It is not a de Polignac number, because 115355145442133 - 2²⁴ = 115355128664917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115355145442633) 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, 70252828316 + ... + 70252829957.

It is an arithmetic number, because the mean of its divisors is an integer number (28873912775307).

Almost surely, 2^{115355145442133} is an apocalyptic number.

It is an amenable number.

115355145442133 is a deficient number, since it is larger than the sum of its proper divisors (140505659095).

115355145442133 is an equidigital number, since it uses as much as digits as its factorization.

115355145442133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140505659094.

The product of its digits is 2160000, while the sum is 47.

Adding to 115355145442133 its reverse (331244541553511), we get a palindrome (446599686995644).

The spelling of 115355145442133 in words is "one hundred fifteen trillion, three hundred fifty-five billion, one hundred forty-five million, four hundred forty-two thousand, one hundred thirty-three".