15212171045283 has 16 divisors (see below), whose sum is σ = 21507085835136. Its totient is φ = 9531078456960.

The previous prime is 15212171045257. The next prime is 15212171045293. The reversal of 15212171045283 is 38254017121251.

It is not a de Polignac number, because 15212171045283 - 2²¹ = 15212168948131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15212171045293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215795341 + ... + 215865822.

It is an arithmetic number, because the mean of its divisors is an integer number (1344192864696).

Almost surely, 2^{15212171045283} is an apocalyptic number.

15212171045283 is a deficient number, since it is larger than the sum of its proper divisors (6294914789853).

15212171045283 is a wasteful number, since it uses less digits than its factorization.

15212171045283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431661874.

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 15212171045283 in words is "fifteen trillion, two hundred twelve billion, one hundred seventy-one million, forty-five thousand, two hundred eighty-three".