112155311361 has 4 divisors (see below), whose sum is σ = 149540415152. Its totient is φ = 74770207572.

The previous prime is 112155311189. The next prime is 112155311377. The reversal of 112155311361 is 163113551211.

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 not a de Polignac number, because 112155311361 - 2¹¹ = 112155309313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112155311561) 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, 18692551891 + ... + 18692551896.

It is an arithmetic number, because the mean of its divisors is an integer number (37385103788).

Almost surely, 2^112155311361 is an apocalyptic number.

It is an amenable number.

112155311361 is a deficient number, since it is larger than the sum of its proper divisors (37385103791).

112155311361 is an equidigital number, since it uses as much as digits as its factorization.

112155311361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37385103790.

The product of its digits is 2700, while the sum is 30.

Adding to 112155311361 its reverse (163113551211), we get a palindrome (275268862572).

The spelling of 112155311361 in words is "one hundred twelve billion, one hundred fifty-five million, three hundred eleven thousand, three hundred sixty-one".