215438694112 has 24 divisors (see below), whose sum is σ = 442586014416. Its totient is φ = 103035896832.

The previous prime is 215438694109. The next prime is 215438694143. The reversal of 215438694112 is 211496834512.

215438694112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

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, 146357073 + ... + 146358544.

It is an arithmetic number, because the mean of its divisors is an integer number (18441083934).

Almost surely, 2^215438694112 is an apocalyptic number.

It is an amenable number.

215438694112 is an abundant number, since it is smaller than the sum of its proper divisors (227147320304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215438694112 is a wasteful number, since it uses less digits than its factorization.

215438694112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292715650 (or 292715642 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The spelling of 215438694112 in words is "two hundred fifteen billion, four hundred thirty-eight million, six hundred ninety-four thousand, one hundred twelve".