10961819 has 4 divisors (see below), whose sum is σ = 11958360. Its totient is φ = 9965280.

The previous prime is 10961807. The next prime is 10961827. The reversal of 10961819 is 91816901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91816901 = 11 ⋅8346991.

It is a cyclic number.

It is not a de Polignac number, because 10961819 - 2⁸ = 10961563 is a prime.

It is a super-2 number, since 2×10961819² = 240322951577522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10961219) 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 3 ways as a sum of consecutive naturals, for example, 498254 + ... + 498275.

It is an arithmetic number, because the mean of its divisors is an integer number (2989590).

Almost surely, 2^10961819 is an apocalyptic number.

10961819 is a deficient number, since it is larger than the sum of its proper divisors (996541).

10961819 is an equidigital number, since it uses as much as digits as its factorization.

10961819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996540.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 10961819 is about 3310.8637845734. The cubic root of 10961819 is about 222.1403962722.

The spelling of 10961819 in words is "ten million, nine hundred sixty-one thousand, eight hundred nineteen".