10984932981 has 12 divisors (see below), whose sum is σ = 17309591520. Its totient is φ = 6657535080.

The previous prime is 10984932979. The next prime is 10984932989. The reversal of 10984932981 is 18923948901.

It is not a de Polignac number, because 10984932981 - 2¹ = 10984932979 is a prime.

It is a super-2 number, since 2×10984932981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10984932989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55479361 + ... + 55479558.

It is an arithmetic number, because the mean of its divisors is an integer number (1442465960).

Almost surely, 2^10984932981 is an apocalyptic number.

10984932981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10984932981 is a deficient number, since it is larger than the sum of its proper divisors (6324658539).

10984932981 is a wasteful number, since it uses less digits than its factorization.

10984932981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110958936 (or 110958933 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 10984932981 in words is "ten billion, nine hundred eighty-four million, nine hundred thirty-two thousand, nine hundred eighty-one".