10981049 has 4 divisors (see below), whose sum is σ = 10994064. Its totient is φ = 10968036.

The previous prime is 10981027. The next prime is 10981063. The reversal of 10981049 is 94018901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10981049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10981549) 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, 5147 + ... + 6960.

It is an arithmetic number, because the mean of its divisors is an integer number (2748516).

Almost surely, 2^10981049 is an apocalyptic number.

It is an amenable number.

10981049 is a deficient number, since it is larger than the sum of its proper divisors (13015).

10981049 is an equidigital number, since it uses as much as digits as its factorization.

10981049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13014.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 10981049 is about 3313.7665880385. The cubic root of 10981049 is about 222.2702185310.

The spelling of 10981049 in words is "ten million, nine hundred eighty-one thousand, forty-nine".