10947877281 has 24 divisors (see below), whose sum is σ = 17377143264. Its totient is φ = 6586637760.

The previous prime is 10947877253. The next prime is 10947877301. The reversal of 10947877281 is 18277874901.

It is not a de Polignac number, because 10947877281 - 2⁷ = 10947877153 is a prime.

It is a super-2 number, since 2×10947877281² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10947877231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390031 + ... + 417156.

It is an arithmetic number, because the mean of its divisors is an integer number (724047636).

Almost surely, 2^10947877281 is an apocalyptic number.

10947877281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10947877281 is a deficient number, since it is larger than the sum of its proper divisors (6429265983).

10947877281 is a wasteful number, since it uses less digits than its factorization.

10947877281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807341 (or 807338 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 54.

The spelling of 10947877281 in words is "ten billion, nine hundred forty-seven million, eight hundred seventy-seven thousand, two hundred eighty-one".