115522151413 has 4 divisors (see below), whose sum is σ = 115951602060. Its totient is φ = 115092700768.

The previous prime is 115522151411. The next prime is 115522151429. The reversal of 115522151413 is 314151225511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314151225511 = 631 ⋅497862481.

It can be written as a sum of positive squares in 2 ways, for example, as 10220603409 + 105301548004 = 101097^2 + 324502^2 .

It is a cyclic number.

It is not a de Polignac number, because 115522151413 - 2¹ = 115522151411 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 (115522151411) 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, 214724920 + ... + 214725457.

It is an arithmetic number, because the mean of its divisors is an integer number (28987900515).

Almost surely, 2^115522151413 is an apocalyptic number.

It is an amenable number.

115522151413 is a deficient number, since it is larger than the sum of its proper divisors (429450647).

115522151413 is an equidigital number, since it uses as much as digits as its factorization.

115522151413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429450646.

The product of its digits is 6000, while the sum is 31.

Adding to 115522151413 its reverse (314151225511), we get a palindrome (429673376924).

The spelling of 115522151413 in words is "one hundred fifteen billion, five hundred twenty-two million, one hundred fifty-one thousand, four hundred thirteen".