11203015401 has 12 divisors (see below), whose sum is σ = 16185158080. Its totient is φ = 7467280920.

The previous prime is 11203015399. The next prime is 11203015459. The reversal of 11203015401 is 10451030211.

11203015401 is a `hidden beast` number, since 1 + 120 + 3 + 0 + 1 + 540 + 1 = 666.

11203015401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11203015401 - 2¹ = 11203015399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203015001) 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 in 11 ways as a sum of consecutive naturals, for example, 64285 + ... + 162906.

Almost surely, 2^11203015401 is an apocalyptic number.

It is an amenable number.

11203015401 is a deficient number, since it is larger than the sum of its proper divisors (4982142679).

11203015401 is a wasteful number, since it uses less digits than its factorization.

11203015401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232676 (or 232673 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 11203015401 its reverse (10451030211), we get a palindrome (21654045612).

The spelling of 11203015401 in words is "eleven billion, two hundred three million, fifteen thousand, four hundred one".