215148302084 has 12 divisors (see below), whose sum is σ = 376513165644. Its totient is φ = 107573111904.

The previous prime is 215148302063. The next prime is 215148302123. The reversal of 215148302084 is 480203841512.

It can be written as a sum of positive squares in 2 ways, for example, as 79298560000 + 135849742084 = 281600^2 + 368578^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382514 + ... + 759350.

It is an arithmetic number, because the mean of its divisors is an integer number (31376097137).

Almost surely, 2^215148302084 is an apocalyptic number.

It is an amenable number.

215148302084 is a deficient number, since it is larger than the sum of its proper divisors (161364863560).

215148302084 is a wasteful number, since it uses less digits than its factorization.

215148302084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519574 (or 519572 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 215148302084 in words is "two hundred fifteen billion, one hundred forty-eight million, three hundred two thousand, eighty-four".