1060556105561 has 2 divisors, whose sum is σ = 1060556105562. Its totient is φ = 1060556105560.

The previous prime is 1060556105537. The next prime is 1060556105629. The reversal of 1060556105561 is 1655016550601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1023447862336 + 37108243225 = 1011656^2 + 192635^2 .

It is an emirp because it is prime and its reverse (1655016550601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1060556105561 is a prime.

It is a super-2 number, since 2×1060556105561² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1060556108561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530278052780 + 530278052781.

It is an arithmetic number, because the mean of its divisors is an integer number (530278052781).

Almost surely, 2^{1060556105561} is an apocalyptic number.

It is an amenable number.

1060556105561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1060556105561 is an equidigital number, since it uses as much as digits as its factorization.

1060556105561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 1060556105561 in words is "one trillion, sixty billion, five hundred fifty-six million, one hundred five thousand, five hundred sixty-one".