11275678969 has 3 divisors (see below), whose sum is σ = 11275785157. Its totient is φ = 11275572782.

The previous prime is 11275678963. The next prime is 11275679053. The reversal of 11275678969 is 96987657211.

The square root of 11275678969 is 106187.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96987657211 = 71 ⋅1366023341.

It is not a de Polignac number, because 11275678969 - 2⁵ = 11275678937 is a prime.

It is a super-2 number, since 2×11275678969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11275678963) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 53094 + ... + 159280.

Almost surely, 2^11275678969 is an apocalyptic number.

11275678969 is the 106187-th square number.

11275678969 is the 53094-th centered octagonal number.

It is an amenable number.

11275678969 is a deficient number, since it is larger than the sum of its proper divisors (106188).

11275678969 is an frugal number, since it uses more digits than its factorization.

11275678969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212374 (or 106187 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 61.

The spelling of 11275678969 in words is "eleven billion, two hundred seventy-five million, six hundred seventy-eight thousand, nine hundred sixty-nine".