105515056637 has 2 divisors, whose sum is σ = 105515056638. Its totient is φ = 105515056636.

The previous prime is 105515056607. The next prime is 105515056643. The reversal of 105515056637 is 736650515501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57073687801 + 48441368836 = 238901^2 + 220094^2 .

It is an emirp because it is prime and its reverse (736650515501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105515056637 - 2⁶ = 105515056573 is a prime.

It is a super-2 number, since 2×105515056637² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105515056607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52757528318 + 52757528319.

It is an arithmetic number, because the mean of its divisors is an integer number (52757528319).

Almost surely, 2^105515056637 is an apocalyptic number.

It is an amenable number.

105515056637 is a deficient number, since it is larger than the sum of its proper divisors (1).

105515056637 is an equidigital number, since it uses as much as digits as its factorization.

105515056637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472500, while the sum is 44.

The spelling of 105515056637 in words is "one hundred five billion, five hundred fifteen million, fifty-six thousand, six hundred thirty-seven".