70720567501291 has 2 divisors, whose sum is σ = 70720567501292. Its totient is φ = 70720567501290.

The previous prime is 70720567501279. The next prime is 70720567501301. The reversal of 70720567501291 is 19210576502707.

It is a strong prime.

It is an emirp because it is prime and its reverse (19210576502707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70720567501291 - 2⁴³ = 61924474479083 is a prime.

It is not a weakly prime, because it can be changed into another prime (70720567501231) 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, 35360283750645 + 35360283750646.

It is an arithmetic number, because the mean of its divisors is an integer number (35360283750646).

Almost surely, 2^{70720567501291} is an apocalyptic number.

70720567501291 is a deficient number, since it is larger than the sum of its proper divisors (1).

70720567501291 is an equidigital number, since it uses as much as digits as its factorization.

70720567501291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1852200, while the sum is 52.

The spelling of 70720567501291 in words is "seventy trillion, seven hundred twenty billion, five hundred sixty-seven million, five hundred one thousand, two hundred ninety-one".