111541061123 has 8 divisors (see below), whose sum is σ = 115406302800. Its totient is φ = 107677086048.

The previous prime is 111541061117. The next prime is 111541061129. The reversal of 111541061123 is 321160145111.

It is an interprime number because it is at equal distance from previous prime (111541061117) and next prime (111541061129).

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

It is a cyclic number.

It is not a de Polignac number, because 111541061123 - 2¹² = 111541057027 is a prime.

It is a super-2 number, since 2×111541061123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111541061092 and 111541061101.

It is not an unprimeable number, because it can be changed into a prime (111541061129) 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, 135713 + ... + 491426.

It is an arithmetic number, because the mean of its divisors is an integer number (14425787850).

Almost surely, 2^111541061123 is an apocalyptic number.

111541061123 is a deficient number, since it is larger than the sum of its proper divisors (3865241677).

111541061123 is an equidigital number, since it uses as much as digits as its factorization.

111541061123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633301.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 111541061123 in words is "one hundred eleven billion, five hundred forty-one million, sixty-one thousand, one hundred twenty-three".