2055121376724 has 72 divisors (see below), whose sum is σ = 5618927492360. Its totient is φ = 629583674112.

The previous prime is 2055121376723. The next prime is 2055121376743. The reversal of 2055121376724 is 4276731215502.

2055121376724 is a `hidden beast` number, since 2 + 0 + 551 + 2 + 1 + 3 + 76 + 7 + 24 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 201302974224 + 1853818402500 = 448668^2 + 1361550^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2055121376724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055121376723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9480787 + ... + 9695130.

Almost surely, 2^{2055121376724} is an apocalyptic number.

It is an amenable number.

2055121376724 is an abundant number, since it is smaller than the sum of its proper divisors (3563806115636).

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

2055121376724 is a wasteful number, since it uses less digits than its factorization.

2055121376724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19176169 (or 19176164 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 2055121376724 in words is "two trillion, fifty-five billion, one hundred twenty-one million, three hundred seventy-six thousand, seven hundred twenty-four".