12765061543 has 8 divisors (see below), whose sum is σ = 13831329008. Its totient is φ = 11710842624.

The previous prime is 12765061537. The next prime is 12765061579. The reversal of 12765061543 is 34516056721.

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

It is not a de Polignac number, because 12765061543 - 2⁵ = 12765061511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12765061496 and 12765061505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12765061523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3009930 + ... + 3014167.

It is an arithmetic number, because the mean of its divisors is an integer number (1728916126).

Almost surely, 2^12765061543 is an apocalyptic number.

12765061543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12765061543 is a deficient number, since it is larger than the sum of its proper divisors (1066267465).

12765061543 is a wasteful number, since it uses less digits than its factorization.

12765061543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024273.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 12765061543 in words is "twelve billion, seven hundred sixty-five million, sixty-one thousand, five hundred forty-three".