209130372903711 has 32 divisors (see below), whose sum is σ = 332532844766208. Its totient is φ = 114306403749120.

The previous prime is 209130372903671. The next prime is 209130372903743. The reversal of 209130372903711 is 117309273031902.

It is not a de Polignac number, because 209130372903711 - 2¹¹ = 209130372901663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209130372904711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63728541 + ... + 66929721.

It is an arithmetic number, because the mean of its divisors is an integer number (10391651398944).

Almost surely, 2^{209130372903711} is an apocalyptic number.

209130372903711 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

209130372903711 is a deficient number, since it is larger than the sum of its proper divisors (123402471862497).

209130372903711 is a wasteful number, since it uses less digits than its factorization.

209130372903711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336471.

The product of its (nonzero) digits is 428652, while the sum is 48.

The spelling of 209130372903711 in words is "two hundred nine trillion, one hundred thirty billion, three hundred seventy-two million, nine hundred three thousand, seven hundred eleven".