215215104010 has 32 divisors (see below), whose sum is σ = 399944563200. Its totient is φ = 83296361280.

The previous prime is 215215104001. The next prime is 215215104019. The reversal of 215215104010 is 10401512512.

It is an interprime number because it is at equal distance from previous prime (215215104001) and next prime (215215104019).

It is not an unprimeable number, because it can be changed into a prime (215215104019) 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, 2126436 + ... + 2225344.

It is an arithmetic number, because the mean of its divisors is an integer number (12498267600).

Almost surely, 2^215215104010 is an apocalyptic number.

215215104010 is a deficient number, since it is larger than the sum of its proper divisors (184729459190).

215215104010 is a wasteful number, since it uses less digits than its factorization.

215215104010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105966.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 215215104010 its reverse (10401512512), we get a palindrome (225616616522).

It can be divided in two parts, 215215 and 104010, that added together give a square (319225 = 565²).

The spelling of 215215104010 in words is "two hundred fifteen billion, two hundred fifteen million, one hundred four thousand, ten".