11400354203 has 4 divisors (see below), whose sum is σ = 13028976240. Its totient is φ = 9771732168.

The previous prime is 11400354167. The next prime is 11400354221. The reversal of 11400354203 is 30245300411.

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

It is a cyclic number.

It is not a de Polignac number, because 11400354203 - 2²⁴ = 11383576987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11400354503) 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, 814311008 + ... + 814311021.

It is an arithmetic number, because the mean of its divisors is an integer number (3257244060).

Almost surely, 2^11400354203 is an apocalyptic number.

11400354203 is a deficient number, since it is larger than the sum of its proper divisors (1628622037).

11400354203 is an equidigital number, since it uses as much as digits as its factorization.

11400354203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628622036.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 11400354203 its reverse (30245300411), we get a palindrome (41645654614).

The spelling of 11400354203 in words is "eleven billion, four hundred million, three hundred fifty-four thousand, two hundred three".