10961118697 has 4 divisors (see below), whose sum is σ = 10972113796. Its totient is φ = 10950123600.

The previous prime is 10961118643. The next prime is 10961118739. The reversal of 10961118697 is 79681116901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79681116901 = 23 ⋅3464396387.

It can be written as a sum of positive squares in 2 ways, for example, as 7152254041 + 3808864656 = 84571^2 + 61716^2 .

It is a cyclic number.

It is not a de Polignac number, because 10961118697 - 2⁷ = 10961118569 is a prime.

It is a super-2 number, since 2×10961118697² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10961118697.

It is not an unprimeable number, because it can be changed into a prime (10961118617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5496054 + ... + 5498047.

It is an arithmetic number, because the mean of its divisors is an integer number (2743028449).

Almost surely, 2^10961118697 is an apocalyptic number.

It is an amenable number.

10961118697 is a deficient number, since it is larger than the sum of its proper divisors (10995099).

10961118697 is an equidigital number, since it uses as much as digits as its factorization.

10961118697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10995098.

The product of its (nonzero) digits is 163296, while the sum is 49.

The spelling of 10961118697 in words is "ten billion, nine hundred sixty-one million, one hundred eighteen thousand, six hundred ninety-seven".