215463482829505 has 16 divisors (see below), whose sum is σ = 259859050992000. Its totient is φ = 171502229162880.

The previous prime is 215463482829503. The next prime is 215463482829563. The reversal of 215463482829505 is 505928284364512.

It is not a de Polignac number, because 215463482829505 - 2¹ = 215463482829503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215463482829503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72299781 + ... + 75220909.

It is an arithmetic number, because the mean of its divisors is an integer number (16241190687000).

Almost surely, 2^{215463482829505} is an apocalyptic number.

It is an amenable number.

215463482829505 is a deficient number, since it is larger than the sum of its proper divisors (44395568162495).

215463482829505 is a wasteful number, since it uses less digits than its factorization.

215463482829505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995464.

The product of its (nonzero) digits is 165888000, while the sum is 64.

The spelling of 215463482829505 in words is "two hundred fifteen trillion, four hundred sixty-three billion, four hundred eighty-two million, eight hundred twenty-nine thousand, five hundred five".