11400115133 has 4 divisors (see below), whose sum is σ = 12436489248. Its totient is φ = 10363741020.

The previous prime is 11400115079. The next prime is 11400115157. The reversal of 11400115133 is 33151100411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11400115133 - 2¹⁶ = 11400049597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400115633) 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, 518187041 + ... + 518187062.

It is an arithmetic number, because the mean of its divisors is an integer number (3109122312).

Almost surely, 2^11400115133 is an apocalyptic number.

It is an amenable number.

11400115133 is a deficient number, since it is larger than the sum of its proper divisors (1036374115).

11400115133 is a wasteful number, since it uses less digits than its factorization.

11400115133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036374114.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 11400115133 its reverse (33151100411), we get a palindrome (44551215544).

The spelling of 11400115133 in words is "eleven billion, four hundred million, one hundred fifteen thousand, one hundred thirty-three".