44161006155251 has 2 divisors, whose sum is σ = 44161006155252. Its totient is φ = 44161006155250.

The previous prime is 44161006155241. The next prime is 44161006155289. The reversal of 44161006155251 is 15255160016144.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44161006155251 is a prime.

It is a super-2 number, since 2×44161006155251² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44161006155199 and 44161006155208.

It is not a weakly prime, because it can be changed into another prime (44161006155241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22080503077625 + 22080503077626.

It is an arithmetic number, because the mean of its divisors is an integer number (22080503077626).

Almost surely, 2^{44161006155251} is an apocalyptic number.

44161006155251 is a deficient number, since it is larger than the sum of its proper divisors (1).

44161006155251 is an equidigital number, since it uses as much as digits as its factorization.

44161006155251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 44161006155251 in words is "forty-four trillion, one hundred sixty-one billion, six million, one hundred fifty-five thousand, two hundred fifty-one".