111513245122054 has 16 divisors (see below), whose sum is σ = 167386105271808. Its totient is φ = 55717889685192.

The previous prime is 111513245122007. The next prime is 111513245122073. The reversal of 111513245122054 is 450221542315111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13944979 + ... + 20432545.

It is an arithmetic number, because the mean of its divisors is an integer number (10461631579488).

Almost surely, 2^{111513245122054} is an apocalyptic number.

111513245122054 is a deficient number, since it is larger than the sum of its proper divisors (55872860149754).

111513245122054 is a wasteful number, since it uses less digits than its factorization.

111513245122054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493539.

The product of its (nonzero) digits is 48000, while the sum is 37.

Adding to 111513245122054 its reverse (450221542315111), we get a palindrome (561734787437165).

The spelling of 111513245122054 in words is "one hundred eleven trillion, five hundred thirteen billion, two hundred forty-five million, one hundred twenty-two thousand, fifty-four".