11455476609 has 16 divisors (see below), whose sum is σ = 15449372288. Its totient is φ = 7549466112.

The previous prime is 11455476589. The next prime is 11455476677. The reversal of 11455476609 is 90667455411.

It is not a de Polignac number, because 11455476609 - 2¹¹ = 11455474561 is a prime.

It is a super-2 number, since 2×11455476609² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11455476509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232764 + ... + 277650.

It is an arithmetic number, because the mean of its divisors is an integer number (965585768).

Almost surely, 2^11455476609 is an apocalyptic number.

It is an amenable number.

11455476609 is a deficient number, since it is larger than the sum of its proper divisors (3993895679).

11455476609 is an equidigital number, since it uses as much as digits as its factorization.

11455476609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45864.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 11455476609 in words is "eleven billion, four hundred fifty-five million, four hundred seventy-six thousand, six hundred nine".