15345115212 has 48 divisors (see below), whose sum is σ = 43327388160. Its totient is φ = 4126417152.

The previous prime is 15345115199. The next prime is 15345115259. The reversal of 15345115212 is 21251154351.

It is a self number, because there is not a number n which added to its sum of digits gives 15345115212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5371512 + ... + 5374367.

It is an arithmetic number, because the mean of its divisors is an integer number (902653920).

Almost surely, 2^15345115212 is an apocalyptic number.

15345115212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15345115212 is an abundant number, since it is smaller than the sum of its proper divisors (27982272948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15345115212 is a wasteful number, since it uses less digits than its factorization.

15345115212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10745910 (or 10745908 counting only the distinct ones).

The product of its digits is 6000, while the sum is 30.

Adding to 15345115212 its reverse (21251154351), we get a palindrome (36596269563).

The spelling of 15345115212 in words is "fifteen billion, three hundred forty-five million, one hundred fifteen thousand, two hundred twelve".