11351231433 has 16 divisors (see below), whose sum is σ = 17047007040. Its totient is φ = 7463822112.

The previous prime is 11351231431. The next prime is 11351231453. The reversal of 11351231433 is 33413215311.

11351231433 is a `hidden beast` number, since 1 + 1 + 3 + 512 + 3 + 143 + 3 = 666.

It is not a de Polignac number, because 11351231433 - 2¹ = 11351231431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11351231397 and 11351231406.

It is not an unprimeable number, because it can be changed into a prime (11351231431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2877591 + ... + 2881532.

It is an arithmetic number, because the mean of its divisors is an integer number (1065437940).

Almost surely, 2^11351231433 is an apocalyptic number.

It is an amenable number.

11351231433 is a deficient number, since it is larger than the sum of its proper divisors (5695775607).

11351231433 is an equidigital number, since it uses as much as digits as its factorization.

11351231433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759205 (or 5759199 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

Adding to 11351231433 its reverse (33413215311), we get a palindrome (44764446744).

The spelling of 11351231433 in words is "eleven billion, three hundred fifty-one million, two hundred thirty-one thousand, four hundred thirty-three".