1061656600541 has 2 divisors, whose sum is σ = 1061656600542. Its totient is φ = 1061656600540.

The previous prime is 1061656600493. The next prime is 1061656600567. The reversal of 1061656600541 is 1450066561601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554100095641 + 507556504900 = 744379^2 + 712430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061656600541 - 2³⁴ = 1044476731357 is a prime.

It is a super-2 number, since 2×1061656600541² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061656606541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530828300270 + 530828300271.

It is an arithmetic number, because the mean of its divisors is an integer number (530828300271).

Almost surely, 2^{1061656600541} is an apocalyptic number.

It is an amenable number.

1061656600541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061656600541 is an equidigital number, since it uses as much as digits as its factorization.

1061656600541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 1061656600541 in words is "one trillion, sixty-one billion, six hundred fifty-six million, six hundred thousand, five hundred forty-one".