15155304051212 has 12 divisors (see below), whose sum is σ = 28561919173536. Its totient is φ = 6994755715920.

The previous prime is 15155304051211. The next prime is 15155304051313. The reversal of 15155304051212 is 21215040355151.

It is not an unprimeable number, because it can be changed into a prime (15155304051211) 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, 145724077364 + ... + 145724077467.

It is an arithmetic number, because the mean of its divisors is an integer number (2380159931128).

Almost surely, 2^{15155304051212} is an apocalyptic number.

It is an amenable number.

15155304051212 is a deficient number, since it is larger than the sum of its proper divisors (13406615122324).

15155304051212 is a wasteful number, since it uses less digits than its factorization.

15155304051212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291448154848 (or 291448154846 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 15155304051212 in words is "fifteen trillion, one hundred fifty-five billion, three hundred four million, fifty-one thousand, two hundred twelve".