1064951079991 has 2 divisors, whose sum is σ = 1064951079992. Its totient is φ = 1064951079990.

The previous prime is 1064951079953. The next prime is 1064951080001. The reversal of 1064951079991 is 1999701594601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1064951079991 - 2¹¹ = 1064951077943 is a prime.

It is a super-2 number, since 2×1064951079991² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064951074991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532475539995 + 532475539996.

It is an arithmetic number, because the mean of its divisors is an integer number (532475539996).

Almost surely, 2^{1064951079991} is an apocalyptic number.

1064951079991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064951079991 is an equidigital number, since it uses as much as digits as its factorization.

1064951079991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5511240, while the sum is 61.

The spelling of 1064951079991 in words is "one trillion, sixty-four billion, nine hundred fifty-one million, seventy-nine thousand, nine hundred ninety-one".