106557639800939 has 2 divisors, whose sum is σ = 106557639800940. Its totient is φ = 106557639800938.

The previous prime is 106557639800917. The next prime is 106557639801049. The reversal of 106557639800939 is 939008936755601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106557639800939 - 2³⁶ = 106488920324203 is a prime.

It is a super-3 number, since 3×106557639800939³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (106557639803939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53278819900469 + 53278819900470.

It is an arithmetic number, because the mean of its divisors is an integer number (53278819900470).

Almost surely, 2^{106557639800939} is an apocalyptic number.

106557639800939 is a deficient number, since it is larger than the sum of its proper divisors (1).

106557639800939 is an equidigital number, since it uses as much as digits as its factorization.

106557639800939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 330674400, while the sum is 71.

The spelling of 106557639800939 in words is "one hundred six trillion, five hundred fifty-seven billion, six hundred thirty-nine million, eight hundred thousand, nine hundred thirty-nine".