11070711601661 has 4 divisors (see below), whose sum is σ = 11071537972572. Its totient is φ = 11069885230752.

The previous prime is 11070711601643. The next prime is 11070711601681. The reversal of 11070711601661 is 16610611707011.

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 794397864100 + 10276313737561 = 891290^2 + 3205669^2 .

It is a cyclic number.

It is not a de Polignac number, because 11070711601661 - 2³⁸ = 10795833694717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11070711601601) 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 in 3 ways as a sum of consecutive naturals, for example, 413165360 + ... + 413192153.

It is an arithmetic number, because the mean of its divisors is an integer number (2767884493143).

Almost surely, 2^{11070711601661} is an apocalyptic number.

It is an amenable number.

11070711601661 is a deficient number, since it is larger than the sum of its proper divisors (826370911).

11070711601661 is an equidigital number, since it uses as much as digits as its factorization.

11070711601661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826370910.

The product of its (nonzero) digits is 10584, while the sum is 38.

The spelling of 11070711601661 in words is "eleven trillion, seventy billion, seven hundred eleven million, six hundred one thousand, six hundred sixty-one".