111451240001 has 4 divisors (see below), whose sum is σ = 116296946112. Its totient is φ = 106605533892.

The previous prime is 111451239989. The next prime is 111451240027. The reversal of 111451240001 is 100042154111.

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 a cyclic number.

It is not a de Polignac number, because 111451240001 - 2²⁶ = 111384131137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111451240031) 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, 2422853021 + ... + 2422853066.

It is an arithmetic number, because the mean of its divisors is an integer number (29074236528).

Almost surely, 2^111451240001 is an apocalyptic number.

It is an amenable number.

111451240001 is a deficient number, since it is larger than the sum of its proper divisors (4845706111).

111451240001 is an equidigital number, since it uses as much as digits as its factorization.

111451240001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845706110.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 111451240001 its reverse (100042154111), we get a palindrome (211493394112).

The spelling of 111451240001 in words is "one hundred eleven billion, four hundred fifty-one million, two hundred forty thousand, one".