215255411848 has 32 divisors (see below), whose sum is σ = 405664459200. Its totient is φ = 107079331392.

The previous prime is 215255411843. The next prime is 215255411863. The reversal of 215255411848 is 848114552512.

It is a junction number, because it is equal to n+sod(n) for n = 215255411798 and 215255411807.

It is not an unprimeable number, because it can be changed into a prime (215255411843) 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 in 7 ways as a sum of consecutive naturals, for example, 1495711 + ... + 1633297.

It is an arithmetic number, because the mean of its divisors is an integer number (12677014350).

Almost surely, 2^215255411848 is an apocalyptic number.

It is an amenable number.

215255411848 is a deficient number, since it is larger than the sum of its proper divisors (190409047352).

215255411848 is a wasteful number, since it uses less digits than its factorization.

215255411848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138589 (or 138585 counting only the distinct ones).

The product of its digits is 512000, while the sum is 46.

The spelling of 215255411848 in words is "two hundred fifteen billion, two hundred fifty-five million, four hundred eleven thousand, eight hundred forty-eight".