1012764521651 has 2 divisors, whose sum is σ = 1012764521652. Its totient is φ = 1012764521650.

The previous prime is 1012764521641. The next prime is 1012764521719. The reversal of 1012764521651 is 1561254672101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012764521651 - 2²² = 1012760327347 is a prime.

It is a super-3 number, since 3×1012764521651³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012764521599 and 1012764521608.

It is not a weakly prime, because it can be changed into another prime (1012764521641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506382260825 + 506382260826.

It is an arithmetic number, because the mean of its divisors is an integer number (506382260826).

Almost surely, 2^{1012764521651} is an apocalyptic number.

1012764521651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012764521651 is an equidigital number, since it uses as much as digits as its factorization.

1012764521651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 1012764521651 in words is "one trillion, twelve billion, seven hundred sixty-four million, five hundred twenty-one thousand, six hundred fifty-one".