106208011257 has 4 divisors (see below), whose sum is σ = 141610681680. Its totient is φ = 70805340836.

The previous prime is 106208011229. The next prime is 106208011291. The reversal of 106208011257 is 752110802601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106208011257 - 2¹⁹ = 106207486969 is a prime.

It is a super-2 number, since 2×106208011257² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106208011057) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 17701335207 + ... + 17701335212.

It is an arithmetic number, because the mean of its divisors is an integer number (35402670420).

Almost surely, 2^106208011257 is an apocalyptic number.

It is an amenable number.

106208011257 is a deficient number, since it is larger than the sum of its proper divisors (35402670423).

106208011257 is an equidigital number, since it uses as much as digits as its factorization.

106208011257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35402670422.

The product of its (nonzero) digits is 6720, while the sum is 33.

Adding to 106208011257 its reverse (752110802601), we get a palindrome (858318813858).

The spelling of 106208011257 in words is "one hundred six billion, two hundred eight million, eleven thousand, two hundred fifty-seven".