8105157126338 has 4 divisors (see below), whose sum is σ = 12157735689510. Its totient is φ = 4052578563168.

The previous prime is 8105157126337. The next prime is 8105157126371. The reversal of 8105157126338 is 8336217515018.

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., 5077825080409 + 3027332045929 = 2253403^2 + 1739923^2 .

It is not an unprimeable number, because it can be changed into a prime (8105157126337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2026289281583 + ... + 2026289281586.

Almost surely, 2^{8105157126338} is an apocalyptic number.

8105157126338 is a deficient number, since it is larger than the sum of its proper divisors (4052578563172).

8105157126338 is a wasteful number, since it uses less digits than its factorization.

8105157126338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052578563171.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 8105157126338 in words is "eight trillion, one hundred five billion, one hundred fifty-seven million, one hundred twenty-six thousand, three hundred thirty-eight".