12155500433 has 8 divisors (see below), whose sum is σ = 12194465280. Its totient is φ = 12116578320.

The previous prime is 12155500403. The next prime is 12155500457. The reversal of 12155500433 is 33400555121.

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 12155500433 - 2¹⁴ = 12155484049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12155500396 and 12155500405.

It is not an unprimeable number, because it can be changed into a prime (12155500403) 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, 617168 + ... + 636558.

It is an arithmetic number, because the mean of its divisors is an integer number (1524308160).

Almost surely, 2^12155500433 is an apocalyptic number.

It is an amenable number.

12155500433 is a deficient number, since it is larger than the sum of its proper divisors (38964847).

12155500433 is a wasteful number, since it uses less digits than its factorization.

12155500433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21367.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 12155500433 in words is "twelve billion, one hundred fifty-five million, five hundred thousand, four hundred thirty-three".