215135303104 has 14 divisors (see below), whose sum is σ = 426909117224. Its totient is φ = 107567651520.

The previous prime is 215135303101. The next prime is 215135303107. The reversal of 215135303104 is 401303531512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (215135303101) and next prime (215135303107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215135303101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1680744492 + ... + 1680744619.

Almost surely, 2^215135303104 is an apocalyptic number.

It is an amenable number.

215135303104 is a deficient number, since it is larger than the sum of its proper divisors (211773814120).

215135303104 is an equidigital number, since it uses as much as digits as its factorization.

215135303104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361489123 (or 3361489113 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 215135303104 its reverse (401303531512), we get a palindrome (616438834616).

The spelling of 215135303104 in words is "two hundred fifteen billion, one hundred thirty-five million, three hundred three thousand, one hundred four".