210115561364 has 24 divisors (see below), whose sum is σ = 387162615840. Its totient is φ = 99500746464.

The previous prime is 210115561363. The next prime is 210115561427. The reversal of 210115561364 is 463165511012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210115561361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108014 + ... + 657189.

It is an arithmetic number, because the mean of its divisors is an integer number (16131775660).

Almost surely, 2^210115561364 is an apocalyptic number.

It is an amenable number.

210115561364 is a deficient number, since it is larger than the sum of its proper divisors (177047054476).

210115561364 is a wasteful number, since it uses less digits than its factorization.

210115561364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768839 (or 768837 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 210115561364 in words is "two hundred ten billion, one hundred fifteen million, five hundred sixty-one thousand, three hundred sixty-four".