11877751143 has 20 divisors (see below), whose sum is σ = 18677167960. Its totient is φ = 7501736592.

The previous prime is 11877751139. The next prime is 11877751177. The reversal of 11877751143 is 34115777811.

11877751143 is a `hidden beast` number, since 11 + 87 + 7 + 7 + 511 + 43 = 666.

It is not a de Polignac number, because 11877751143 - 2² = 11877751139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11877751043) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3857380 + ... + 3860457.

It is an arithmetic number, because the mean of its divisors is an integer number (933858398).

Almost surely, 2^11877751143 is an apocalyptic number.

11877751143 is a deficient number, since it is larger than the sum of its proper divisors (6799416817).

11877751143 is an equidigital number, since it uses as much as digits as its factorization.

11877751143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717868 (or 7717859 counting only the distinct ones).

The product of its digits is 164640, while the sum is 45.

The spelling of 11877751143 in words is "eleven billion, eight hundred seventy-seven million, seven hundred fifty-one thousand, one hundred forty-three".