211551066710104 has 96 divisors (see below), whose sum is σ = 470353346134560. Its totient is φ = 88795523548160.

The previous prime is 211551066710101. The next prime is 211551066710129. The reversal of 211551066710104 is 401017660155112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211551066710101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120406684 + ... + 122151019.

It is an arithmetic number, because the mean of its divisors is an integer number (4899514022235).

Almost surely, 2^{211551066710104} is an apocalyptic number.

It is an amenable number.

211551066710104 is an abundant number, since it is smaller than the sum of its proper divisors (258802279424456).

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

211551066710104 is a wasteful number, since it uses less digits than its factorization.

211551066710104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242557801 (or 242557786 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 211551066710104 in words is "two hundred eleven trillion, five hundred fifty-one billion, sixty-six million, seven hundred ten thousand, one hundred four".