102568061306 has 4 divisors (see below), whose sum is σ = 153852091962. Its totient is φ = 51284030652.

The previous prime is 102568061287. The next prime is 102568061333. The reversal of 102568061306 is 603160865201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70707596281 + 31860465025 = 265909^2 + 178495^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102568061306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25642015325 + ... + 25642015328.

Almost surely, 2^102568061306 is an apocalyptic number.

102568061306 is a deficient number, since it is larger than the sum of its proper divisors (51284030656).

102568061306 is an equidigital number, since it uses as much as digits as its factorization.

102568061306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51284030655.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 102568061306 in words is "one hundred two billion, five hundred sixty-eight million, sixty-one thousand, three hundred six".