1020975151291 has 2 divisors, whose sum is σ = 1020975151292. Its totient is φ = 1020975151290.

The previous prime is 1020975151289. The next prime is 1020975151303. The reversal of 1020975151291 is 1921515790201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020975151291 - 2¹ = 1020975151289 is a prime.

Together with 1020975151289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1020975101291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510487575645 + 510487575646.

It is an arithmetic number, because the mean of its divisors is an integer number (510487575646).

Almost surely, 2^{1020975151291} is an apocalyptic number.

1020975151291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020975151291 is an equidigital number, since it uses as much as digits as its factorization.

1020975151291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 43.

The spelling of 1020975151291 in words is "one trillion, twenty billion, nine hundred seventy-five million, one hundred fifty-one thousand, two hundred ninety-one".