105161815751 has 2 divisors, whose sum is σ = 105161815752. Its totient is φ = 105161815750.

The previous prime is 105161815739. The next prime is 105161815813. The reversal of 105161815751 is 157518161501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105161815751 is a prime.

It is a super-2 number, since 2×105161815751² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105161815699 and 105161815708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105161815051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52580907875 + 52580907876.

It is an arithmetic number, because the mean of its divisors is an integer number (52580907876).

Almost surely, 2^105161815751 is an apocalyptic number.

105161815751 is a deficient number, since it is larger than the sum of its proper divisors (1).

105161815751 is an equidigital number, since it uses as much as digits as its factorization.

105161815751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 41.

The spelling of 105161815751 in words is "one hundred five billion, one hundred sixty-one million, eight hundred fifteen thousand, seven hundred fifty-one".