10980981 has 16 divisors (see below), whose sum is σ = 17747520. Its totient is φ = 6654960.

The previous prime is 10980973. The next prime is 10981013. The reversal of 10980981 is 18908901.

It is not a de Polignac number, because 10980981 - 2³ = 10980973 is a prime.

It is a super-2 number, since 2×10980981² = 241163887444722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10980941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18190 + ... + 18783.

It is an arithmetic number, because the mean of its divisors is an integer number (1109220).

Almost surely, 2^10980981 is an apocalyptic number.

10980981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10980981 is a deficient number, since it is larger than the sum of its proper divisors (6766539).

10980981 is a wasteful number, since it uses less digits than its factorization.

10980981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36993 (or 36987 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 10980981 is about 3313.7563277948. The cubic root of 10980981 is about 222.2697597283.

The spelling of 10980981 in words is "ten million, nine hundred eighty thousand, nine hundred eighty-one".