103090721908868 has 6 divisors (see below), whose sum is σ = 180408763340526. Its totient is φ = 51545360954432.

The previous prime is 103090721908861. The next prime is 103090721908873. The reversal of 103090721908868 is 868809127090301.

It can be written as a sum of positive squares in only one way, i.e., 67402260972544 + 35688460936324 = 8209888^2 + 5973982^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103090721908868.

It is not an unprimeable number, because it can be changed into a prime (103090721908861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12886340238605 + ... + 12886340238612.

It is an arithmetic number, because the mean of its divisors is an integer number (30068127223421).

Almost surely, 2^{103090721908868} is an apocalyptic number.

It is an amenable number.

103090721908868 is a deficient number, since it is larger than the sum of its proper divisors (77318041431658).

103090721908868 is a wasteful number, since it uses less digits than its factorization.

103090721908868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25772680477221 (or 25772680477219 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 62.

The spelling of 103090721908868 in words is "one hundred three trillion, ninety billion, seven hundred twenty-one million, nine hundred eight thousand, eight hundred sixty-eight".