11712132047 has 24 divisors (see below), whose sum is σ = 15084771840. Its totient is φ = 8990094960.

The previous prime is 11712132023. The next prime is 11712132079. The reversal of 11712132047 is 74023121711.

It is not a de Polignac number, because 11712132047 - 2¹⁸ = 11711869903 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 (11712132007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126047 + ... + 198272.

It is an arithmetic number, because the mean of its divisors is an integer number (628532160).

Almost surely, 2^11712132047 is an apocalyptic number.

11712132047 is a deficient number, since it is larger than the sum of its proper divisors (3372639793).

11712132047 is a wasteful number, since it uses less digits than its factorization.

11712132047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324411 (or 324404 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

Adding to 11712132047 its reverse (74023121711), we get a palindrome (85735253758).

The spelling of 11712132047 in words is "eleven billion, seven hundred twelve million, one hundred thirty-two thousand, forty-seven".