215011946094 has 16 divisors (see below), whose sum is σ = 469116973440. Its totient is φ = 65155135160.

The previous prime is 215011946081. The next prime is 215011946113. The reversal of 215011946094 is 490649110512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628878314 + ... + 1628878445.

It is an arithmetic number, because the mean of its divisors is an integer number (29319810840).

Almost surely, 2^215011946094 is an apocalyptic number.

215011946094 is an abundant number, since it is smaller than the sum of its proper divisors (254105027346).

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

215011946094 is a wasteful number, since it uses less digits than its factorization.

215011946094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257756775.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 215011946094 in words is "two hundred fifteen billion, eleven million, nine hundred forty-six thousand, ninety-four".