11878773271 has 4 divisors (see below), whose sum is σ = 11879033832. Its totient is φ = 11878512712.

The previous prime is 11878773253. The next prime is 11878773287. The reversal of 11878773271 is 17237787811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11878773271 - 2¹⁹ = 11878248983 is a prime.

It is a super-2 number, since 2×11878773271² (a number of 21 digits) contains 22 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 (11878776271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41920 + ... + 159733.

It is an arithmetic number, because the mean of its divisors is an integer number (2969758458).

Almost surely, 2^11878773271 is an apocalyptic number.

11878773271 is a deficient number, since it is larger than the sum of its proper divisors (260561).

11878773271 is an equidigital number, since it uses as much as digits as its factorization.

11878773271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260560.

The product of its digits is 921984, while the sum is 52.

The spelling of 11878773271 in words is "eleven billion, eight hundred seventy-eight million, seven hundred seventy-three thousand, two hundred seventy-one".