105213892594 has 4 divisors (see below), whose sum is σ = 157820838894. Its totient is φ = 52606946296.

The previous prime is 105213892583. The next prime is 105213892601. The reversal of 105213892594 is 495298312501.

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

It can be written as a sum of positive squares in only one way, i.e., 89602639569 + 15611253025 = 299337^2 + 124945^2 .

It is a super-2 number, since 2×105213892594² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26303473147 + ... + 26303473150.

Almost surely, 2^105213892594 is an apocalyptic number.

105213892594 is a deficient number, since it is larger than the sum of its proper divisors (52606946300).

105213892594 is an equidigital number, since it uses as much as digits as its factorization.

105213892594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52606946299.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 105213892594 in words is "one hundred five billion, two hundred thirteen million, eight hundred ninety-two thousand, five hundred ninety-four".