13611011632 has 20 divisors (see below), whose sum is σ = 26627370640. Its totient is φ = 6739432128.

The previous prime is 13611011587. The next prime is 13611011653. The reversal of 13611011632 is 23611011631.

13611011632 is nontrivially palindromic in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 13611011597 and 13611011606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4127907 + ... + 4131202.

It is an arithmetic number, because the mean of its divisors is an integer number (1331368532).

Almost surely, 2^13611011632 is an apocalyptic number.

It is an amenable number.

13611011632 is a deficient number, since it is larger than the sum of its proper divisors (13016359008).

13611011632 is a wasteful number, since it uses less digits than its factorization.

13611011632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259220 (or 8259214 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

Subtracting 13611011632 from its reverse (23611011631), we obtain a palindrome (9999999999).

The spelling of 13611011632 in words is "thirteen billion, six hundred eleven million, eleven thousand, six hundred thirty-two".