11755871287 has 8 divisors (see below), whose sum is σ = 12330484416. Its totient is φ = 11194778592.

The previous prime is 11755871209. The next prime is 11755871299. The reversal of 11755871287 is 78217855711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11755871287 - 2³¹ = 9608387639 is a prime.

It is a super-2 number, since 2×11755871287² (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 (11755841287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3378328 + ... + 3381805.

It is an arithmetic number, because the mean of its divisors is an integer number (1541310552).

Almost surely, 2^11755871287 is an apocalyptic number.

11755871287 is a deficient number, since it is larger than the sum of its proper divisors (574613129).

11755871287 is an equidigital number, since it uses as much as digits as its factorization.

11755871287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760217.

The product of its digits is 1097600, while the sum is 52.

The spelling of 11755871287 in words is "eleven billion, seven hundred fifty-five million, eight hundred seventy-one thousand, two hundred eighty-seven".