70561215610591 has 2 divisors, whose sum is σ = 70561215610592. Its totient is φ = 70561215610590.

The previous prime is 70561215610559. The next prime is 70561215610603. The reversal of 70561215610591 is 19501651216507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70561215610591 - 2⁵ = 70561215610559 is a prime.

It is a super-2 number, since 2×70561215610591² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70561215611591) 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, 35280607805295 + 35280607805296.

It is an arithmetic number, because the mean of its divisors is an integer number (35280607805296).

Almost surely, 2^{70561215610591} is an apocalyptic number.

70561215610591 is a deficient number, since it is larger than the sum of its proper divisors (1).

70561215610591 is an equidigital number, since it uses as much as digits as its factorization.

70561215610591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 49.

The spelling of 70561215610591 in words is "seventy trillion, five hundred sixty-one billion, two hundred fifteen million, six hundred ten thousand, five hundred ninety-one".