106556605537 has 2 divisors, whose sum is σ = 106556605538. Its totient is φ = 106556605536.

The previous prime is 106556605483. The next prime is 106556605549. The reversal of 106556605537 is 735506655601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88480071936 + 18076533601 = 297456^2 + 134449^2 .

It is a cyclic number.

It is not a de Polignac number, because 106556605537 - 2²⁷ = 106422387809 is a prime.

It is a super-2 number, since 2×106556605537² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106556405537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53278302768 + 53278302769.

It is an arithmetic number, because the mean of its divisors is an integer number (53278302769).

Almost surely, 2^106556605537 is an apocalyptic number.

It is an amenable number.

106556605537 is a deficient number, since it is larger than the sum of its proper divisors (1).

106556605537 is an equidigital number, since it uses as much as digits as its factorization.

106556605537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835000, while the sum is 49.

The spelling of 106556605537 in words is "one hundred six billion, five hundred fifty-six million, six hundred five thousand, five hundred thirty-seven".