2051755037672 has 32 divisors (see below), whose sum is σ = 3953043081000. Its totient is φ = 997638683904.

The previous prime is 2051755037663. The next prime is 2051755037713. The reversal of 2051755037672 is 2767305571502.

It can be written as a sum of positive squares in 4 ways, for example, as 1954364856196 + 97390181476 = 1397986^2 + 312074^2 .

It is a super-2 number, since 2×2051755037672² (a number of 25 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 2051755037672.

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, 1201343 + ... + 2355150.

Almost surely, 2^{2051755037672} is an apocalyptic number.

It is an amenable number.

2051755037672 is a deficient number, since it is larger than the sum of its proper divisors (1901288043328).

2051755037672 is a wasteful number, since it uses less digits than its factorization.

2051755037672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558485 (or 3558481 counting only the distinct ones).

The product of its (nonzero) digits is 3087000, while the sum is 50.

The spelling of 2051755037672 in words is "two trillion, fifty-one billion, seven hundred fifty-five million, thirty-seven thousand, six hundred seventy-two".