11851268133 has 8 divisors (see below), whose sum is σ = 16037537248. Its totient is φ = 7782922224.

The previous prime is 11851268131. The next prime is 11851268153. The reversal of 11851268133 is 33186215811.

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

It is not a de Polignac number, because 11851268133 - 2¹ = 11851268131 is a prime.

It is a super-2 number, since 2×11851268133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11851268091 and 11851268100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11851268131) 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, 29480566 + ... + 29480967.

It is an arithmetic number, because the mean of its divisors is an integer number (2004692156).

Almost surely, 2^11851268133 is an apocalyptic number.

It is an amenable number.

11851268133 is a deficient number, since it is larger than the sum of its proper divisors (4186269115).

11851268133 is an equidigital number, since it uses as much as digits as its factorization.

11851268133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58961603.

The product of its digits is 34560, while the sum is 39.

The spelling of 11851268133 in words is "eleven billion, eight hundred fifty-one million, two hundred sixty-eight thousand, one hundred thirty-three".