1111888801 has 4 divisors (see below), whose sum is σ = 1114399152. Its totient is φ = 1109378452.

The previous prime is 1111888781. The next prime is 1111888847. The reversal of 1111888801 is 1088881111.

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 1111888801 - 2⁹ = 1111888289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111888871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254511 + ... + 1255396.

It is an arithmetic number, because the mean of its divisors is an integer number (278599788).

Almost surely, 2^1111888801 is an apocalyptic number.

It is an amenable number.

1111888801 is a deficient number, since it is larger than the sum of its proper divisors (2510351).

1111888801 is an equidigital number, since it uses as much as digits as its factorization.

1111888801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510350.

The product of its (nonzero) digits is 4096, while the sum is 37.

The square root of 1111888801 is about 33344.9966411754. The cubic root of 1111888801 is about 1035.9857586257.

The spelling of 1111888801 in words is "one billion, one hundred eleven million, eight hundred eighty-eight thousand, eight hundred one".