6546510061123 has 4 divisors (see below), whose sum is σ = 6685797509280. Its totient is φ = 6407222612968.

The previous prime is 6546510061111. The next prime is 6546510061219. The reversal of 6546510061123 is 3211600156456.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6546510061123 is a prime.

It is a super-2 number, since 2×6546510061123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6546510061823) 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, 69643724008 + ... + 69643724101.

It is an arithmetic number, because the mean of its divisors is an integer number (1671449377320).

Almost surely, 2^{6546510061123} is an apocalyptic number.

6546510061123 is a deficient number, since it is larger than the sum of its proper divisors (139287448157).

6546510061123 is a wasteful number, since it uses less digits than its factorization.

6546510061123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139287448156.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 6546510061123 in words is "six trillion, five hundred forty-six billion, five hundred ten million, sixty-one thousand, one hundred twenty-three".