512255314044445 has 32 divisors (see below), whose sum is σ = 622726313631840. Its totient is φ = 404487282769920.

The previous prime is 512255314044421. The next prime is 512255314044449. The reversal of 512255314044445 is 544440413552215.

It can be written as a sum of positive squares in 16 ways, for example, as 143045929552761 + 369209384491684 = 11960181^2 + 19214822^2 .

It is not a de Polignac number, because 512255314044445 - 2⁵ = 512255314044413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512255314044449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553463079 + ... + 554387851.

It is an arithmetic number, because the mean of its divisors is an integer number (19460197300995).

Almost surely, 2^{512255314044445} is an apocalyptic number.

It is an amenable number.

512255314044445 is a deficient number, since it is larger than the sum of its proper divisors (110470999587395).

512255314044445 is a wasteful number, since it uses less digits than its factorization.

512255314044445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928785.

The product of its (nonzero) digits is 7680000, while the sum is 49.

The spelling of 512255314044445 in words is "five hundred twelve trillion, two hundred fifty-five billion, three hundred fourteen million, forty-four thousand, four hundred forty-five".