15212355052 has 12 divisors (see below), whose sum is σ = 26648876520. Its totient is φ = 7598390336.

The previous prime is 15212355049. The next prime is 15212355071. The reversal of 15212355052 is 25055321251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942402 + ... + 1950217.

It is an arithmetic number, because the mean of its divisors is an integer number (2220739710).

Almost surely, 2^15212355052 is an apocalyptic number.

It is an amenable number.

15212355052 is a deficient number, since it is larger than the sum of its proper divisors (11436521468).

15212355052 is a wasteful number, since it uses less digits than its factorization.

15212355052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893600 (or 3893598 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 15212355052 in words is "fifteen billion, two hundred twelve million, three hundred fifty-five thousand, fifty-two".