11205235402 has 4 divisors (see below), whose sum is σ = 16807853106. Its totient is φ = 5602617700.

The previous prime is 11205235399. The next prime is 11205235403. The reversal of 11205235402 is 20453250211.

11205235402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20453250211 = 131 ⋅156131681.

It can be written as a sum of positive squares in only one way, i.e., 10092412521 + 1112822881 = 100461^2 + 33359^2 .

It is not an unprimeable number, because it can be changed into a prime (11205235403) 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 as a sum of consecutive naturals, namely, 2801308849 + ... + 2801308852.

Almost surely, 2^11205235402 is an apocalyptic number.

11205235402 is a deficient number, since it is larger than the sum of its proper divisors (5602617704).

11205235402 is an equidigital number, since it uses as much as digits as its factorization.

11205235402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602617703.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 11205235402 its reverse (20453250211), we get a palindrome (31658485613).

The spelling of 11205235402 in words is "eleven billion, two hundred five million, two hundred thirty-five thousand, four hundred two".