12155113046 has 8 divisors (see below), whose sum is σ = 18234944544. Its totient is φ = 6076798200.

The previous prime is 12155113043. The next prime is 12155113073. The reversal of 12155113046 is 64031155121.

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

It is a super-2 number, since 2×12155113046² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12155113043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358910 + ... + 391313.

It is an arithmetic number, because the mean of its divisors is an integer number (2279368068).

Almost surely, 2^12155113046 is an apocalyptic number.

12155113046 is a deficient number, since it is larger than the sum of its proper divisors (6079831498).

12155113046 is an equidigital number, since it uses as much as digits as its factorization.

12155113046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758326.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 12155113046 its reverse (64031155121), we get a palindrome (76186268167).

The spelling of 12155113046 in words is "twelve billion, one hundred fifty-five million, one hundred thirteen thousand, forty-six".