105115151 has 2 divisors, whose sum is σ = 105115152. Its totient is φ = 105115150.

The previous prime is 105115147. The next prime is 105115159. The reversal of 105115151 is 151511501.

It is a weak prime.

It is an emirp because it is prime and its reverse (151511501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105115151 - 2² = 105115147 is a prime.

It is a super-2 number, since 2×105115151² = 22098389939505602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105115159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52557575 + 52557576.

It is an arithmetic number, because the mean of its divisors is an integer number (52557576).

Almost surely, 2^105115151 is an apocalyptic number.

105115151 is a deficient number, since it is larger than the sum of its proper divisors (1).

105115151 is an equidigital number, since it uses as much as digits as its factorization.

105115151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 20.

The square root of 105115151 is about 10252.5680197695. The cubic root of 105115151 is about 471.9417944481.

Adding to 105115151 its reverse (151511501), we get a palindrome (256626652).

The spelling of 105115151 in words is "one hundred five million, one hundred fifteen thousand, one hundred fifty-one".