215412125315054 has 24 divisors (see below), whose sum is σ = 325717297378200. Its totient is φ = 106841793242016.

The previous prime is 215412125315021. The next prime is 215412125315069. The reversal of 215412125315054 is 450513521214512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170137889 + ... + 171399315.

It is an arithmetic number, because the mean of its divisors is an integer number (13571554057425).

Almost surely, 2^{215412125315054} is an apocalyptic number.

215412125315054 is a deficient number, since it is larger than the sum of its proper divisors (110305172063146).

215412125315054 is an equidigital number, since it uses as much as digits as its factorization.

215412125315054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263092 (or 1262335 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 41.

Adding to 215412125315054 its reverse (450513521214512), we get a palindrome (665925646529566).

The spelling of 215412125315054 in words is "two hundred fifteen trillion, four hundred twelve billion, one hundred twenty-five million, three hundred fifteen thousand, fifty-four".