1111455401 has 4 divisors (see below), whose sum is σ = 1270234752. Its totient is φ = 952676052.

The previous prime is 1111455377. The next prime is 1111455403. The reversal of 1111455401 is 1045541111.

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 1111455401 - 2⁶ = 1111455337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111455403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79389665 + ... + 79389678.

It is an arithmetic number, because the mean of its divisors is an integer number (317558688).

Almost surely, 2^1111455401 is an apocalyptic number.

It is an amenable number.

1111455401 is a deficient number, since it is larger than the sum of its proper divisors (158779351).

1111455401 is an equidigital number, since it uses as much as digits as its factorization.

1111455401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158779350.

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 1111455401 is about 33338.4972816712. The cubic root of 1111455401 is about 1035.8511364771.

Adding to 1111455401 its reverse (1045541111), we get a palindrome (2156996512).

The spelling of 1111455401 in words is "one billion, one hundred eleven million, four hundred fifty-five thousand, four hundred one".