11738891727 has 24 divisors (see below), whose sum is σ = 17111430336. Its totient is φ = 7754550336.

The previous prime is 11738891711. The next prime is 11738891797. The reversal of 11738891727 is 72719883711.

It is not a de Polignac number, because 11738891727 - 2⁴ = 11738891711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11738891797) 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, 507253 + ... + 529889.

It is an arithmetic number, because the mean of its divisors is an integer number (712976264).

Almost surely, 2^11738891727 is an apocalyptic number.

11738891727 is a deficient number, since it is larger than the sum of its proper divisors (5372538609).

11738891727 is a wasteful number, since it uses less digits than its factorization.

11738891727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23167 (or 23164 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 54.

The spelling of 11738891727 in words is "eleven billion, seven hundred thirty-eight million, eight hundred ninety-one thousand, seven hundred twenty-seven".