68227129455 has 32 divisors (see below), whose sum is σ = 110845165824. Its totient is φ = 35827731456.

The previous prime is 68227129441. The next prime is 68227129457. The reversal of 68227129455 is 55492172286.

It is not a de Polignac number, because 68227129455 - 2¹² = 68227125359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68227129398 and 68227129407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68227129457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2269432 + ... + 2299298.

It is an arithmetic number, because the mean of its divisors is an integer number (3463911432).

Almost surely, 2^68227129455 is an apocalyptic number.

68227129455 is a deficient number, since it is larger than the sum of its proper divisors (42618036369).

68227129455 is a wasteful number, since it uses less digits than its factorization.

68227129455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32215.

The product of its digits is 2419200, while the sum is 51.

The spelling of 68227129455 in words is "sixty-eight billion, two hundred twenty-seven million, one hundred twenty-nine thousand, four hundred fifty-five".