105854158057 has 2 divisors, whose sum is σ = 105854158058. Its totient is φ = 105854158056.

The previous prime is 105854158051. The next prime is 105854158117. The reversal of 105854158057 is 750851458501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61674742336 + 44179415721 = 248344^2 + 210189^2 .

It is a cyclic number.

It is not a de Polignac number, because 105854158057 - 2²⁷ = 105719940329 is a prime.

It is a super-2 number, since 2×105854158057² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105854158057.

It is not a weakly prime, because it can be changed into another prime (105854158051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52927079028 + 52927079029.

It is an arithmetic number, because the mean of its divisors is an integer number (52927079029).

Almost surely, 2^105854158057 is an apocalyptic number.

It is an amenable number.

105854158057 is a deficient number, since it is larger than the sum of its proper divisors (1).

105854158057 is an equidigital number, since it uses as much as digits as its factorization.

105854158057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120000, while the sum is 49.

The spelling of 105854158057 in words is "one hundred five billion, eight hundred fifty-four million, one hundred fifty-eight thousand, fifty-seven".