215051564326 has 16 divisors (see below), whose sum is σ = 324493387200. Its totient is φ = 106888904640.

The previous prime is 215051564297. The next prime is 215051564333. The reversal of 215051564326 is 623465150512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211551 + ... + 689098.

It is an arithmetic number, because the mean of its divisors is an integer number (20280836700).

Almost surely, 2^215051564326 is an apocalyptic number.

215051564326 is a deficient number, since it is larger than the sum of its proper divisors (109441822874).

215051564326 is a wasteful number, since it uses less digits than its factorization.

215051564326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901359.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 215051564326 in words is "two hundred fifteen billion, fifty-one million, five hundred sixty-four thousand, three hundred twenty-six".