105951511 has 2 divisors, whose sum is σ = 105951512. Its totient is φ = 105951510.

The previous prime is 105951509. The next prime is 105951539. The reversal of 105951511 is 115159501.

It is an a-pointer prime, because the next prime (105951539) can be obtained adding 105951511 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105951511 - 2¹ = 105951509 is a prime.

It is a super-2 number, since 2×105951511² = 22451445366366242, which contains 22 as substring.

Together with 105951509, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 105951511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105961511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52975755 + 52975756.

It is an arithmetic number, because the mean of its divisors is an integer number (52975756).

Almost surely, 2^105951511 is an apocalyptic number.

105951511 is a deficient number, since it is larger than the sum of its proper divisors (1).

105951511 is an equidigital number, since it uses as much as digits as its factorization.

105951511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 28.

The square root of 105951511 is about 10293.2750376156. The cubic root of 105951511 is about 473.1901745312.

The spelling of 105951511 in words is "one hundred five million, nine hundred fifty-one thousand, five hundred eleven".