110561110561 has 48 divisors (see below), whose sum is σ = 134047730880. Its totient is φ = 90169200000.

The previous prime is 110561110501. The next prime is 110561110577. The reversal of 110561110561 is 165011165011.

It is not a de Polignac number, because 110561110561 - 2¹¹ = 110561108513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110561110501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11161711 + ... + 11171611.

It is an arithmetic number, because the mean of its divisors is an integer number (2792661060).

Almost surely, 2^110561110561 is an apocalyptic number.

110561110561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110561110561 is a deficient number, since it is larger than the sum of its proper divisors (23486620319).

110561110561 is a wasteful number, since it uses less digits than its factorization.

110561110561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10078 (or 10055 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 28.

Adding to 110561110561 its reverse (165011165011), we get a palindrome (275572275572).

It can be divided in two parts, 110561 and 110561, that added together give a palindrome (221122).

The spelling of 110561110561 in words is "one hundred ten billion, five hundred sixty-one million, one hundred ten thousand, five hundred sixty-one".