215410255013 has 4 divisors (see below), whose sum is σ = 215475082368. Its totient is φ = 215345427660.

The previous prime is 215410255009. The next prime is 215410255079. The reversal of 215410255013 is 310552014512.

215410255013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 215410255013 - 2² = 215410255009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215410245013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32408693 + ... + 32415338.

It is an arithmetic number, because the mean of its divisors is an integer number (53868770592).

Almost surely, 2^215410255013 is an apocalyptic number.

It is an amenable number.

215410255013 is a deficient number, since it is larger than the sum of its proper divisors (64827355).

215410255013 is an equidigital number, since it uses as much as digits as its factorization.

215410255013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64827354.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 215410255013 its reverse (310552014512), we get a palindrome (525962269525).

The spelling of 215410255013 in words is "two hundred fifteen billion, four hundred ten million, two hundred fifty-five thousand, thirteen".