12677511423540 has 96 divisors (see below), whose sum is σ = 36158848217856. Its totient is φ = 3318220523520.

The previous prime is 12677511423539. The next prime is 12677511423557. The reversal of 12677511423540 is 4532411577621.

It is a happy number.

It is a super-2 number, since 2×12677511423540² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12677511423540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8378551 + ... + 9775230.

It is an arithmetic number, because the mean of its divisors is an integer number (376654668936).

Almost surely, 2^{12677511423540} is an apocalyptic number.

12677511423540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12677511423540 is an abundant number, since it is smaller than the sum of its proper divisors (23481336794316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12677511423540 is a wasteful number, since it uses less digits than its factorization.

12677511423540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18154009 (or 18154007 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 12677511423540 in words is "twelve trillion, six hundred seventy-seven billion, five hundred eleven million, four hundred twenty-three thousand, five hundred forty".