10491011 has 16 divisors (see below), whose sum is σ = 11404800. Its totient is φ = 9629088.

The previous prime is 10491001. The next prime is 10491037. The reversal of 10491011 is 11019401.

It is a cyclic number.

It is not a de Polignac number, because 10491011 - 2⁶ = 10490947 is a prime.

It is a super-2 number, since 2×10491011² = 220122623604242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10491001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58520 + ... + 58698.

It is an arithmetic number, because the mean of its divisors is an integer number (712800).

Almost surely, 2^10491011 is an apocalyptic number.

10491011 is a deficient number, since it is larger than the sum of its proper divisors (913789).

10491011 is a wasteful number, since it uses less digits than its factorization.

10491011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 10491011 is about 3238.9830194059. The cubic root of 10491011 is about 218.9134510626.

The spelling of 10491011 in words is "ten million, four hundred ninety-one thousand, eleven".