10981963 has 4 divisors (see below), whose sum is σ = 11088688. Its totient is φ = 10875240.

The previous prime is 10981951. The next prime is 10981969. The reversal of 10981963 is 36918901.

10981963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36918901 = 41 ⋅900461.

It is a cyclic number.

It is not a de Polignac number, because 10981963 - 2⁵ = 10981931 is a prime.

It is a super-2 number, since 2×10981963² = 241207022666738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10981969) 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, 53208 + ... + 53413.

It is an arithmetic number, because the mean of its divisors is an integer number (2772172).

Almost surely, 2^10981963 is an apocalyptic number.

10981963 is a deficient number, since it is larger than the sum of its proper divisors (106725).

10981963 is a wasteful number, since it uses less digits than its factorization.

10981963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106724.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 10981963 is about 3313.9044947011. The cubic root of 10981963 is about 222.2763851958.

The spelling of 10981963 in words is "ten million, nine hundred eighty-one thousand, nine hundred sixty-three".