2745721625512 has 16 divisors (see below), whose sum is σ = 5148847620000. Its totient is φ = 1372695593520.

The previous prime is 2745721625503. The next prime is 2745721625527. The reversal of 2745721625512 is 2155261275472.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20581762 + ... + 20714737.

It is an arithmetic number, because the mean of its divisors is an integer number (321802976250).

Almost surely, 2^{2745721625512} is an apocalyptic number.

It is an amenable number.

2745721625512 is a deficient number, since it is larger than the sum of its proper divisors (2403125994488).

2745721625512 is a wasteful number, since it uses less digits than its factorization.

2745721625512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41304816 (or 41304812 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 49.

The spelling of 2745721625512 in words is "two trillion, seven hundred forty-five billion, seven hundred twenty-one million, six hundred twenty-five thousand, five hundred twelve".