11471052609 has 27 divisors (see below), whose sum is σ = 17496576513. Its totient is φ = 7241019624.

The previous prime is 11471052577. The next prime is 11471052641. The reversal of 11471052609 is 90625017411.

The square root of 11471052609 is 107103.

It is a perfect power (a square), and thus also a powerful number.

11471052609 is a `hidden beast` number, since 1 + 1 + 47 + 1 + 0 + 5 + 2 + 609 = 666.

It is an interprime number because it is at equal distance from previous prime (11471052577) and next prime (11471052641).

It is not a de Polignac number, because 11471052609 - 2⁵ = 11471052577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11471052409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6103932 + ... + 6105810.

Almost surely, 2^11471052609 is an apocalyptic number.

11471052609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11471052609 is the 107103-rd square number.

11471052609 is the 53552-nd centered octagonal number.

It is an amenable number.

11471052609 is a deficient number, since it is larger than the sum of its proper divisors (6025523904).

11471052609 is an frugal number, since it uses more digits than its factorization.

11471052609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

Multiplying 11471052609 by its sum of digits (36), we get a square (412957893924 = 642618²).

The spelling of 11471052609 in words is "eleven billion, four hundred seventy-one million, fifty-two thousand, six hundred nine".