11882578111 has 16 divisors (see below), whose sum is σ = 13036269600. Its totient is φ = 10786567168.

The previous prime is 11882578079. The next prime is 11882578153. The reversal of 11882578111 is 11187528811.

It is a cyclic number.

It is not a de Polignac number, because 11882578111 - 2⁵ = 11882578079 is a prime.

It is a super-3 number, since 3×11882578111³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11882570111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58606 + ... + 164923.

It is an arithmetic number, because the mean of its divisors is an integer number (814766850).

Almost surely, 2^11882578111 is an apocalyptic number.

11882578111 is a deficient number, since it is larger than the sum of its proper divisors (1153691489).

11882578111 is a wasteful number, since it uses less digits than its factorization.

11882578111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223658.

The product of its digits is 35840, while the sum is 43.

The spelling of 11882578111 in words is "eleven billion, eight hundred eighty-two million, five hundred seventy-eight thousand, one hundred eleven".