1111342243401 has 12 divisors (see below), whose sum is σ = 1728754601028. Its totient is φ = 683902918944.

The previous prime is 1111342243373. The next prime is 1111342243439. The reversal of 1111342243401 is 1043422431111.

It is a happy number.

1111342243401 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 34 + 224 + 3 + 401 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 415185633801 + 696156609600 = 644349^2 + 834360^2 .

It is not a de Polignac number, because 1111342243401 - 2¹⁵ = 1111342210633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111342243481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4749325710 + ... + 4749325943.

It is an arithmetic number, because the mean of its divisors is an integer number (144062883419).

Almost surely, 2^{1111342243401} is an apocalyptic number.

It is an amenable number.

1111342243401 is a deficient number, since it is larger than the sum of its proper divisors (617412357627).

1111342243401 is a wasteful number, since it uses less digits than its factorization.

1111342243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9498651672 (or 9498651669 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1111342243401 its reverse (1043422431111), we get a palindrome (2154764674512).

The spelling of 1111342243401 in words is "one trillion, one hundred eleven billion, three hundred forty-two million, two hundred forty-three thousand, four hundred one".