11203450402 has 4 divisors (see below), whose sum is σ = 16805175606. Its totient is φ = 5601725200.

The previous prime is 11203450393. The next prime is 11203450429. The reversal of 11203450402 is 20405430211.

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., 8826790401 + 2376660001 = 93951^2 + 48751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800862599 + ... + 2800862602.

Almost surely, 2^11203450402 is an apocalyptic number.

11203450402 is a deficient number, since it is larger than the sum of its proper divisors (5601725204).

11203450402 is an equidigital number, since it uses as much as digits as its factorization.

11203450402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601725203.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 11203450402 its reverse (20405430211), we get a palindrome (31608880613).

The spelling of 11203450402 in words is "eleven billion, two hundred three million, four hundred fifty thousand, four hundred two".