11133400431 has 8 divisors (see below), whose sum is σ = 14919887664. Its totient is φ = 7384590080.

The previous prime is 11133400409. The next prime is 11133400433. The reversal of 11133400431 is 13400433111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11133400431 - 2¹³ = 11133392239 is a prime.

It is a super-2 number, since 2×11133400431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11133400398 and 11133400407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133400433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9418530 + ... + 9419711.

It is an arithmetic number, because the mean of its divisors is an integer number (1864985958).

Almost surely, 2^11133400431 is an apocalyptic number.

11133400431 is a deficient number, since it is larger than the sum of its proper divisors (3786487233).

11133400431 is a wasteful number, since it uses less digits than its factorization.

11133400431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18838441.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11133400431 its reverse (13400433111), we get a palindrome (24533833542).

The spelling of 11133400431 in words is "eleven billion, one hundred thirty-three million, four hundred thousand, four hundred thirty-one".