105911951 has 2 divisors, whose sum is σ = 105911952. Its totient is φ = 105911950.

The previous prime is 105911893. The next prime is 105911957. The reversal of 105911951 is 159119501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105911951 - 2¹⁰ = 105910927 is a prime.

It is a super-2 number, since 2×105911951² = 22434682729252802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105911957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52955975 + 52955976.

It is an arithmetic number, because the mean of its divisors is an integer number (52955976).

Almost surely, 2^105911951 is an apocalyptic number.

105911951 is a deficient number, since it is larger than the sum of its proper divisors (1).

105911951 is an equidigital number, since it uses as much as digits as its factorization.

105911951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 32.

The square root of 105911951 is about 10291.3532151996. The cubic root of 105911951 is about 473.1312742115.

The spelling of 105911951 in words is "one hundred five million, nine hundred eleven thousand, nine hundred fifty-one".