1056060550991 has 2 divisors, whose sum is σ = 1056060550992. Its totient is φ = 1056060550990.

The previous prime is 1056060550981. The next prime is 1056060551071. The reversal of 1056060550991 is 1990550606501.

It is a weak prime.

It is an emirp because it is prime and its reverse (1990550606501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1056060550991 - 2¹⁸ = 1056060288847 is a prime.

It is a super-3 number, since 3×1056060550991³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056060550901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528030275495 + 528030275496.

It is an arithmetic number, because the mean of its divisors is an integer number (528030275496).

Almost surely, 2^{1056060550991} is an apocalyptic number.

1056060550991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056060550991 is an equidigital number, since it uses as much as digits as its factorization.

1056060550991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 364500, while the sum is 47.

The spelling of 1056060550991 in words is "one trillion, fifty-six billion, sixty million, five hundred fifty thousand, nine hundred ninety-one".