111530540011 has 16 divisors (see below), whose sum is σ = 124398996480. Its totient is φ = 99121852480.

The previous prime is 111530539969. The next prime is 111530540053. The reversal of 111530540011 is 110045035111.

It is an interprime number because it is at equal distance from previous prime (111530539969) and next prime (111530540053).

It is a cyclic number.

It is not a de Polignac number, because 111530540011 - 2²⁹ = 110993669099 is a prime.

It is a super-2 number, since 2×111530540011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111530540071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336975 + ... + 580183.

It is an arithmetic number, because the mean of its divisors is an integer number (7774937280).

Almost surely, 2^111530540011 is an apocalyptic number.

111530540011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111530540011 is a deficient number, since it is larger than the sum of its proper divisors (12868456469).

111530540011 is a wasteful number, since it uses less digits than its factorization.

111530540011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244154.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 111530540011 its reverse (110045035111), we get a palindrome (221575575122).

The spelling of 111530540011 in words is "one hundred eleven billion, five hundred thirty million, five hundred forty thousand, eleven".