105878165213 has 2 divisors, whose sum is σ = 105878165214. Its totient is φ = 105878165212.

The previous prime is 105878165203. The next prime is 105878165227. The reversal of 105878165213 is 312561878501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53947959289 + 51930205924 = 232267^2 + 227882^2 .

It is a cyclic number.

It is not a de Polignac number, because 105878165213 - 2⁸ = 105878164957 is a prime.

It is a super-2 number, since 2×105878165213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105878165203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52939082606 + 52939082607.

It is an arithmetic number, because the mean of its divisors is an integer number (52939082607).

Almost surely, 2^105878165213 is an apocalyptic number.

It is an amenable number.

105878165213 is a deficient number, since it is larger than the sum of its proper divisors (1).

105878165213 is an equidigital number, since it uses as much as digits as its factorization.

105878165213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 105878165213 in words is "one hundred five billion, eight hundred seventy-eight million, one hundred sixty-five thousand, two hundred thirteen".