111400510161 has 8 divisors (see below), whose sum is σ = 149896711360. Its totient is φ = 73585657872.

The previous prime is 111400510139. The next prime is 111400510271. The reversal of 111400510161 is 161015004111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111400510161 - 2¹⁰ = 111400509137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111400510121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170336845 + ... + 170337498.

It is an arithmetic number, because the mean of its divisors is an integer number (18737088920).

Almost surely, 2^111400510161 is an apocalyptic number.

It is an amenable number.

111400510161 is a deficient number, since it is larger than the sum of its proper divisors (38496201199).

111400510161 is a wasteful number, since it uses less digits than its factorization.

111400510161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340674455.

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 111400510161 its reverse (161015004111), we get a palindrome (272415514272).

The spelling of 111400510161 in words is "one hundred eleven billion, four hundred million, five hundred ten thousand, one hundred sixty-one".