115155332543311 has 4 divisors (see below), whose sum is σ = 121929175634112. Its totient is φ = 108381489452512.

The previous prime is 115155332543309. The next prime is 115155332543341. The reversal of 115155332543311 is 113345233551511.

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

It is a cyclic number.

It is not a de Polignac number, because 115155332543311 - 2¹ = 115155332543309 is a prime.

It is a super-2 number, since 2×115155332543311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115155332543341) 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, 3386921545375 + ... + 3386921545408.

It is an arithmetic number, because the mean of its divisors is an integer number (30482293908528).

Almost surely, 2^{115155332543311} is an apocalyptic number.

115155332543311 is a deficient number, since it is larger than the sum of its proper divisors (6773843090801).

115155332543311 is an equidigital number, since it uses as much as digits as its factorization.

115155332543311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773843090800.

The product of its digits is 405000, while the sum is 43.

The spelling of 115155332543311 in words is "one hundred fifteen trillion, one hundred fifty-five billion, three hundred thirty-two million, five hundred forty-three thousand, three hundred eleven".