215410362116 has 6 divisors (see below), whose sum is σ = 376968133710. Its totient is φ = 107705181056.

The previous prime is 215410362103. The next prime is 215410362119. The reversal of 215410362116 is 611263014512.

It can be written as a sum of positive squares in only one way, i.e., 185678257216 + 29732104900 = 430904^2 + 172430^2 .

It is not an unprimeable number, because it can be changed into a prime (215410362119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26926295261 + ... + 26926295268.

It is an arithmetic number, because the mean of its divisors is an integer number (62828022285).

Almost surely, 2^215410362116 is an apocalyptic number.

It is an amenable number.

215410362116 is a deficient number, since it is larger than the sum of its proper divisors (161557771594).

215410362116 is a wasteful number, since it uses less digits than its factorization.

215410362116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53852590533 (or 53852590531 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 215410362116 its reverse (611263014512), we get a palindrome (826673376628).

The spelling of 215410362116 in words is "two hundred fifteen billion, four hundred ten million, three hundred sixty-two thousand, one hundred sixteen".