1056060550981 has 2 divisors, whose sum is σ = 1056060550982. Its totient is φ = 1056060550980.

The previous prime is 1056060550973. The next prime is 1056060550991. The reversal of 1056060550981 is 1890550606501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542307052225 + 513753498756 = 736415^2 + 716766^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056060550981 - 2³ = 1056060550973 is a prime.

It is a super-3 number, since 3×1056060550981³ (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, 528030275490 + 528030275491.

It is an arithmetic number, because the mean of its divisors is an integer number (528030275491).

Almost surely, 2^{1056060550981} is an apocalyptic number.

It is an amenable number.

1056060550981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056060550981 is an equidigital number, since it uses as much as digits as its factorization.

1056060550981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 46.

The spelling of 1056060550981 in words is "one trillion, fifty-six billion, sixty million, five hundred fifty thousand, nine hundred eighty-one".