104151909872081 has 2 divisors, whose sum is σ = 104151909872082. Its totient is φ = 104151909872080.

The previous prime is 104151909872041. The next prime is 104151909872119. The reversal of 104151909872081 is 180278909151401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104123330279056 + 28579593025 = 10204084^2 + 169055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104151909872081 is a prime.

It is a super-2 number, since 2×104151909872081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104151909872011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52075954936040 + 52075954936041.

It is an arithmetic number, because the mean of its divisors is an integer number (52075954936041).

Almost surely, 2^{104151909872081} is an apocalyptic number.

It is an amenable number.

104151909872081 is a deficient number, since it is larger than the sum of its proper divisors (1).

104151909872081 is an equidigital number, since it uses as much as digits as its factorization.

104151909872081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 56.

The spelling of 104151909872081 in words is "one hundred four trillion, one hundred fifty-one billion, nine hundred nine million, eight hundred seventy-two thousand, eighty-one".