10961881 has 8 divisors (see below), whose sum is σ = 12547904. Its totient is φ = 9380880.

The previous prime is 10961851. The next prime is 10961921. The reversal of 10961881 is 18816901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10961881 is a prime.

It is a super-2 number, since 2×10961881² = 240325670116322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (10961851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7846 + ... + 9136.

It is an arithmetic number, because the mean of its divisors is an integer number (1568488).

Almost surely, 2^10961881 is an apocalyptic number.

It is an amenable number.

10961881 is a deficient number, since it is larger than the sum of its proper divisors (1586023).

10961881 is a wasteful number, since it uses less digits than its factorization.

10961881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511.

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 10961881 is about 3310.8731476757. The cubic root of 10961881 is about 222.1408150797.

The spelling of 10961881 in words is "ten million, nine hundred sixty-one thousand, eight hundred eighty-one".