12711611561448 has 32 divisors (see below), whose sum is σ = 31782008734560. Its totient is φ = 4236806543040.

The previous prime is 12711611561393. The next prime is 12711611561461. The reversal of 12711611561448 is 84416511611721.

It is a junction number, because it is equal to n+sod(n) for n = 12711611561397 and 12711611561406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24570583 + ... + 25082598.

It is an arithmetic number, because the mean of its divisors is an integer number (993187772955).

Almost surely, 2^{12711611561448} is an apocalyptic number.

It is an amenable number.

12711611561448 is an abundant number, since it is smaller than the sum of its proper divisors (19070397173112).

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

12711611561448 is a wasteful number, since it uses less digits than its factorization.

12711611561448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49663857 (or 49663853 counting only the distinct ones).

The product of its digits is 322560, while the sum is 48.

The spelling of 12711611561448 in words is "twelve trillion, seven hundred eleven billion, six hundred eleven million, five hundred sixty-one thousand, four hundred forty-eight".