11711127838 has 16 divisors (see below), whose sum is σ = 17788990464. Its totient is φ = 5781929400.

The previous prime is 11711127829. The next prime is 11711127871. The reversal of 11711127838 is 83872111711.

It is a super-3 number, since 3×11711127838³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11711127838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65670 + ... + 166537.

It is an arithmetic number, because the mean of its divisors is an integer number (1111811904).

Almost surely, 2^11711127838 is an apocalyptic number.

11711127838 is a deficient number, since it is larger than the sum of its proper divisors (6077862626).

11711127838 is a wasteful number, since it uses less digits than its factorization.

11711127838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232527.

The product of its digits is 18816, while the sum is 40.

The spelling of 11711127838 in words is "eleven billion, seven hundred eleven million, one hundred twenty-seven thousand, eight hundred thirty-eight".