6115155011161 has 4 divisors (see below), whose sum is σ = 6988748584192. Its totient is φ = 5241561438132.

The previous prime is 6115155011123. The next prime is 6115155011167. The reversal of 6115155011161 is 1611105515116.

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 6115155011161 - 2¹¹ = 6115155009113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6115155011167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436796786505 + ... + 436796786518.

It is an arithmetic number, because the mean of its divisors is an integer number (1747187146048).

Almost surely, 2^{6115155011161} is an apocalyptic number.

It is an amenable number.

6115155011161 is a deficient number, since it is larger than the sum of its proper divisors (873593573031).

6115155011161 is an equidigital number, since it uses as much as digits as its factorization.

6115155011161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873593573030.

The product of its (nonzero) digits is 4500, while the sum is 34.

The spelling of 6115155011161 in words is "six trillion, one hundred fifteen billion, one hundred fifty-five million, eleven thousand, one hundred sixty-one".