12711955531 has 8 divisors (see below), whose sum is σ = 13940195328. Its totient is φ = 11495817000.

The previous prime is 12711955523. The next prime is 12711955541. The reversal of 12711955531 is 13555911721.

12711955531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12711955531 - 2³ = 12711955523 is a prime.

It is a super-2 number, since 2×12711955531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12711955541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3023115 + ... + 3027316.

It is an arithmetic number, because the mean of its divisors is an integer number (1742524416).

Almost surely, 2^12711955531 is an apocalyptic number.

12711955531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12711955531 is a deficient number, since it is larger than the sum of its proper divisors (1228239797).

12711955531 is a wasteful number, since it uses less digits than its factorization.

12711955531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050633.

The product of its digits is 47250, while the sum is 40.

The spelling of 12711955531 in words is "twelve billion, seven hundred eleven million, nine hundred fifty-five thousand, five hundred thirty-one".