11111402 has 4 divisors (see below), whose sum is σ = 16667106. Its totient is φ = 5555700.

The previous prime is 11111393. The next prime is 11111407. The reversal of 11111402 is 20411111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9006001 + 2105401 = 3001^2 + 1451^2 .

It is not an unprimeable number, because it can be changed into a prime (11111407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777849 + ... + 2777852.

Almost surely, 2^11111402 is an apocalyptic number.

11111402 is a deficient number, since it is larger than the sum of its proper divisors (5555704).

11111402 is an equidigital number, since it uses as much as digits as its factorization.

11111402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555703.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11111402 is about 3333.3769663811. The cubic root of 11111402 is about 223.1462639831.

Adding to 11111402 its reverse (20411111), we get a palindrome (31522513).

The spelling of 11111402 in words is "eleven million, one hundred eleven thousand, four hundred two".