701236571012161 has 4 divisors (see below), whose sum is σ = 701257312167300. Its totient is φ = 701215829857024.

The previous prime is 701236571012141. The next prime is 701236571012207. The reversal of 701236571012161 is 161210175632107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 517703332079025 + 183533238933136 = 22753095^2 + 13547444^2 .

It is a cyclic number.

It is not a de Polignac number, because 701236571012161 - 2¹¹ = 701236571010113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (701236571012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10370526856 + ... + 10370594473.

It is an arithmetic number, because the mean of its divisors is an integer number (175314328041825).

Almost surely, 2^{701236571012161} is an apocalyptic number.

It is an amenable number.

701236571012161 is a deficient number, since it is larger than the sum of its proper divisors (20741155139).

701236571012161 is a wasteful number, since it uses less digits than its factorization.

701236571012161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20741155138.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 701236571012161 in words is "seven hundred one trillion, two hundred thirty-six billion, five hundred seventy-one million, twelve thousand, one hundred sixty-one".