211730250778914 has 16 divisors (see below), whose sum is σ = 483954858923328. Its totient is φ = 60494357365392.

The previous prime is 211730250778913. The next prime is 211730250778919. The reversal of 211730250778914 is 419877052037112.

It is not an unprimeable number, because it can be changed into a prime (211730250778913) 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, 2520598223517 + ... + 2520598223600.

It is an arithmetic number, because the mean of its divisors is an integer number (30247178682708).

Almost surely, 2^{211730250778914} is an apocalyptic number.

211730250778914 is an abundant number, since it is smaller than the sum of its proper divisors (272224608144414).

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

211730250778914 is a wasteful number, since it uses less digits than its factorization.

211730250778914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041196447129.

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 211730250778914 in words is "two hundred eleven trillion, seven hundred thirty billion, two hundred fifty million, seven hundred seventy-eight thousand, nine hundred fourteen".