10885136965 has 4 divisors (see below), whose sum is σ = 13062164364. Its totient is φ = 8708109568.

The previous prime is 10885136963. The next prime is 10885136971. The reversal of 10885136965 is 56963158801.

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 4733715204 + 6151421761 = 68802^2 + 78431^2 .

It is a cyclic number.

It is not a de Polignac number, because 10885136965 - 2¹ = 10885136963 is a prime.

It is a super-2 number, since 2×10885136965² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10885136963) 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, 1088513692 + ... + 1088513701.

It is an arithmetic number, because the mean of its divisors is an integer number (3265541091).

Almost surely, 2^10885136965 is an apocalyptic number.

It is an amenable number.

10885136965 is a deficient number, since it is larger than the sum of its proper divisors (2177027399).

10885136965 is an equidigital number, since it uses as much as digits as its factorization.

10885136965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177027398.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 10885136965 in words is "ten billion, eight hundred eighty-five million, one hundred thirty-six thousand, nine hundred sixty-five".