11635466413 has 4 divisors (see below), whose sum is σ = 11686276540. Its totient is φ = 11584656288.

The previous prime is 11635466387. The next prime is 11635466441. The reversal of 11635466413 is 31466453611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31466453611 = 47 ⋅669499013.

It can be written as a sum of positive squares in 2 ways, for example, as 8956161769 + 2679304644 = 94637^2 + 51762^2 .

It is a cyclic number.

It is not a de Polignac number, because 11635466413 - 2⁹ = 11635465901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11635466443) 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, 25404720 + ... + 25405177.

It is an arithmetic number, because the mean of its divisors is an integer number (2921569135).

Almost surely, 2^11635466413 is an apocalyptic number.

It is an amenable number.

11635466413 is a deficient number, since it is larger than the sum of its proper divisors (50810127).

11635466413 is an equidigital number, since it uses as much as digits as its factorization.

11635466413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50810126.

The product of its digits is 155520, while the sum is 40.

The spelling of 11635466413 in words is "eleven billion, six hundred thirty-five million, four hundred sixty-six thousand, four hundred thirteen".