11164471 has 4 divisors (see below), whose sum is σ = 11222512. Its totient is φ = 11106432.

The previous prime is 11164469. The next prime is 11164493. The reversal of 11164471 is 17446111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17446111 = 1733 ⋅10067.

It is a cyclic number.

It is not a de Polignac number, because 11164471 - 2¹ = 11164469 is a prime.

It is a super-3 number, since 3×11164471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11164171) 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, 28731 + ... + 29116.

It is an arithmetic number, because the mean of its divisors is an integer number (2805628).

Almost surely, 2^11164471 is an apocalyptic number.

11164471 is a deficient number, since it is larger than the sum of its proper divisors (58041).

11164471 is an equidigital number, since it uses as much as digits as its factorization.

11164471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58040.

The product of its digits is 672, while the sum is 25.

The square root of 11164471 is about 3341.3277301097. The cubic root of 11164471 is about 223.5009550747.

The spelling of 11164471 in words is "eleven million, one hundred sixty-four thousand, four hundred seventy-one".