10981136 has 10 divisors (see below), whose sum is σ = 21275982. Its totient is φ = 5490560.

The previous prime is 10981129. The next prime is 10981141. The reversal of 10981136 is 63118901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7595536 + 3385600 = 2756^2 + 1840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10981099 and 10981108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343145 + ... + 343176.

Almost surely, 2^10981136 is an apocalyptic number.

10981136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10981136 is a deficient number, since it is larger than the sum of its proper divisors (10294846).

10981136 is an equidigital number, since it uses as much as digits as its factorization.

10981136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686329 (or 686323 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 10981136 is about 3313.7797150686. The cubic root of 10981136 is about 222.2708055259.

The spelling of 10981136 in words is "ten million, nine hundred eighty-one thousand, one hundred thirty-six".