106815339157 has 2 divisors, whose sum is σ = 106815339158. Its totient is φ = 106815339156.

The previous prime is 106815339149. The next prime is 106815339161. The reversal of 106815339157 is 751933518601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106611392196 + 203946961 = 326514^2 + 14281^2 .

It is a cyclic number.

It is not a de Polignac number, because 106815339157 - 2³ = 106815339149 is a prime.

It is a super-2 number, since 2×106815339157² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106815339157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106815339167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53407669578 + 53407669579.

It is an arithmetic number, because the mean of its divisors is an integer number (53407669579).

Almost surely, 2^106815339157 is an apocalyptic number.

It is an amenable number.

106815339157 is a deficient number, since it is larger than the sum of its proper divisors (1).

106815339157 is an equidigital number, since it uses as much as digits as its factorization.

106815339157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 106815339157 in words is "one hundred six billion, eight hundred fifteen million, three hundred thirty-nine thousand, one hundred fifty-seven".