11476002721 has 4 divisors (see below), whose sum is σ = 11526116500. Its totient is φ = 11425888944.

The previous prime is 11476002667. The next prime is 11476002731. The reversal of 11476002721 is 12720067411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12720067411 = 1063 ⋅11966197.

It can be written as a sum of positive squares in 2 ways, for example, as 6027348496 + 5448654225 = 77636^2 + 73815^2 .

It is a cyclic number.

It is not a de Polignac number, because 11476002721 - 2¹³ = 11475994529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11476002731) 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, 25056546 + ... + 25057003.

It is an arithmetic number, because the mean of its divisors is an integer number (2881529125).

Almost surely, 2^11476002721 is an apocalyptic number.

It is an amenable number.

11476002721 is a deficient number, since it is larger than the sum of its proper divisors (50113779).

11476002721 is an equidigital number, since it uses as much as digits as its factorization.

11476002721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50113778.

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 11476002721 in words is "eleven billion, four hundred seventy-six million, two thousand, seven hundred twenty-one".