11636662034 has 4 divisors (see below), whose sum is σ = 17454993054. Its totient is φ = 5818331016.

The previous prime is 11636662013. The next prime is 11636662039. The reversal of 11636662034 is 43026663611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43026663611 = 148063 ⋅290597.

It can be written as a sum of positive squares in only one way, i.e., 6602050009 + 5034612025 = 81253^2 + 70955^2 .

It is not an unprimeable number, because it can be changed into a prime (11636662039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2909165507 + ... + 2909165510.

Almost surely, 2^11636662034 is an apocalyptic number.

11636662034 is a deficient number, since it is larger than the sum of its proper divisors (5818331020).

11636662034 is an equidigital number, since it uses as much as digits as its factorization.

11636662034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818331019.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 11636662034 in words is "eleven billion, six hundred thirty-six million, six hundred sixty-two thousand, thirty-four".