12155563323353 has 8 divisors (see below), whose sum is σ = 12670421796672. Its totient is φ = 11650511678256.

The previous prime is 12155563323349. The next prime is 12155563323359. The reversal of 12155563323353 is 35332336555121.

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 12155563323353 - 2² = 12155563323349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12155563323298 and 12155563323307.

It is not an unprimeable number, because it can be changed into a prime (12155563323359) 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, 2451704525 + ... + 2451709482.

It is an arithmetic number, because the mean of its divisors is an integer number (1583802724584).

Almost surely, 2^{12155563323353} is an apocalyptic number.

It is an amenable number.

12155563323353 is a deficient number, since it is larger than the sum of its proper divisors (514858473319).

12155563323353 is an equidigital number, since it uses as much as digits as its factorization.

12155563323353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903414111.

The product of its digits is 3645000, while the sum is 47.

Adding to 12155563323353 its reverse (35332336555121), we get a palindrome (47487899878474).

The spelling of 12155563323353 in words is "twelve trillion, one hundred fifty-five billion, five hundred sixty-three million, three hundred twenty-three thousand, three hundred fifty-three".