2751780217028 has 24 divisors (see below), whose sum is σ = 4858659628032. Its totient is φ = 1363614636384.

The previous prime is 2751780216979. The next prime is 2751780217031. The reversal of 2751780217028 is 8207120871572.

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, 2378951 + ... + 3341102.

It is an arithmetic number, because the mean of its divisors is an integer number (202444151168).

Almost surely, 2^{2751780217028} is an apocalyptic number.

It is an amenable number.

2751780217028 is a deficient number, since it is larger than the sum of its proper divisors (2106879411004).

2751780217028 is a wasteful number, since it uses less digits than its factorization.

2751780217028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721131 (or 5721129 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 50.

The spelling of 2751780217028 in words is "two trillion, seven hundred fifty-one billion, seven hundred eighty million, two hundred seventeen thousand, twenty-eight".