111040531040001 has 4 divisors (see below), whose sum is σ = 148054041386672. Its totient is φ = 74027020693332.

The previous prime is 111040531039987. The next prime is 111040531040003. The reversal of 111040531040001 is 100040135040111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111040531040001 - 2²⁹ = 111039994169089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111040531040001.

It is not an unprimeable number, because it can be changed into a prime (111040531040003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18506755173331 + ... + 18506755173336.

It is an arithmetic number, because the mean of its divisors is an integer number (37013510346668).

Almost surely, 2^{111040531040001} is an apocalyptic number.

It is an amenable number.

111040531040001 is a deficient number, since it is larger than the sum of its proper divisors (37013510346671).

111040531040001 is an equidigital number, since it uses as much as digits as its factorization.

111040531040001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37013510346670.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 111040531040001 its reverse (100040135040111), we get a palindrome (211080666080112).

The spelling of 111040531040001 in words is "one hundred eleven trillion, forty billion, five hundred thirty-one million, forty thousand, one".