107655212744209 has 9 divisors (see below), whose sum is σ = 116573542106619. Its totient is φ = 99373918024680.

The previous prime is 107655212744147. The next prime is 107655212744291. The reversal of 107655212744209 is 902447212556701.

The square root of 107655212744209 is 10375703.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15925327329025 + 91729885415184 = 3990655^2 + 9577572^2 .

It is not a de Polignac number, because 107655212744209 - 2⁷ = 107655212744081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 107655212744209.

It is not an unprimeable number, because it can be changed into a prime (107655216744209) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 134485074 + ... + 135283204.

Almost surely, 2^{107655212744209} is an apocalyptic number.

107655212744209 is the 10375703-rd square number.

107655212744209 is the 5187852-nd centered octagonal number.

It is an amenable number.

107655212744209 is a deficient number, since it is larger than the sum of its proper divisors (8918329362410).

107655212744209 is an frugal number, since it uses more digits than its factorization.

107655212744209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596288 (or 798144 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 107655212744209 in words is "one hundred seven trillion, six hundred fifty-five billion, two hundred twelve million, seven hundred forty-four thousand, two hundred nine".