11137882887 has 14 divisors (see below), whose sum is σ = 16699186272. Its totient is φ = 7425254772.

The previous prime is 11137882879. The next prime is 11137882891. The reversal of 11137882887 is 78828873111.

11137882887 is a `hidden beast` number, since 111 + 378 + 82 + 8 + 87 = 666.

It is not a de Polignac number, because 11137882887 - 2³ = 11137882879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11137882087) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7638423 + ... + 7639880.

Almost surely, 2^11137882887 is an apocalyptic number.

11137882887 is a deficient number, since it is larger than the sum of its proper divisors (5561303385).

11137882887 is an frugal number, since it uses more digits than its factorization.

11137882887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15278321 (or 15278306 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 54.

The spelling of 11137882887 in words is "eleven billion, one hundred thirty-seven million, eight hundred eighty-two thousand, eight hundred eighty-seven".