11402402243 has 4 divisors (see below), whose sum is σ = 11558599608. Its totient is φ = 11246204880.

The previous prime is 11402402213. The next prime is 11402402267. The reversal of 11402402243 is 34220420411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34220420411 = 2269 ⋅15081719.

It is a cyclic number.

It is not a de Polignac number, because 11402402243 - 2¹⁴ = 11402385859 is a prime.

It is a super-2 number, since 2×11402402243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11402402213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78098573 + ... + 78098718.

It is an arithmetic number, because the mean of its divisors is an integer number (2889649902).

Almost surely, 2^11402402243 is an apocalyptic number.

11402402243 is a deficient number, since it is larger than the sum of its proper divisors (156197365).

11402402243 is an equidigital number, since it uses as much as digits as its factorization.

11402402243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156197364.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 11402402243 its reverse (34220420411), we get a palindrome (45622822654).

The spelling of 11402402243 in words is "eleven billion, four hundred two million, four hundred two thousand, two hundred forty-three".