105692185213 has 4 divisors (see below), whose sum is σ = 106068314268. Its totient is φ = 105316056160.

The previous prime is 105692185211. The next prime is 105692185243. The reversal of 105692185213 is 312581296501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59495990724 + 46196194489 = 243918^2 + 214933^2 .

It is a cyclic number.

It is not a de Polignac number, because 105692185213 - 2¹ = 105692185211 is a prime.

It is a super-2 number, since 2×105692185213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105692185213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105692185211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188064106 + ... + 188064667.

It is an arithmetic number, because the mean of its divisors is an integer number (26517078567).

Almost surely, 2^105692185213 is an apocalyptic number.

It is an amenable number.

105692185213 is a deficient number, since it is larger than the sum of its proper divisors (376129055).

105692185213 is an equidigital number, since it uses as much as digits as its factorization.

105692185213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376129054.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 105692185213 in words is "one hundred five billion, six hundred ninety-two million, one hundred eighty-five thousand, two hundred thirteen".