70561065601 has 8 divisors (see below), whose sum is σ = 75992371560. Its totient is φ = 65130264192.

The previous prime is 70561065593. The next prime is 70561065649. The reversal of 70561065601 is 10656016507.

It can be written as a sum of positive squares in 4 ways, for example, as 28560662001 + 42000403600 = 168999^2 + 204940^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70561065601 - 2³ = 70561065593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70561065661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194535 + ... + 423043.

It is an arithmetic number, because the mean of its divisors is an integer number (9499046445).

Almost surely, 2^70561065601 is an apocalyptic number.

It is an amenable number.

70561065601 is a deficient number, since it is larger than the sum of its proper divisors (5431305959).

70561065601 is a wasteful number, since it uses less digits than its factorization.

70561065601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252275.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 70561065601 in words is "seventy billion, five hundred sixty-one million, sixty-five thousand, six hundred one".