512222505245554 has 8 divisors (see below), whose sum is σ = 768333869352540. Its totient is φ = 256111215461376.

The previous prime is 512222505245491. The next prime is 512222505245573. The reversal of 512222505245554 is 455542505222215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 470886311007225 + 41336194238329 = 21699915^2 + 6429323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 512222505245498 and 512222505245507.

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, 4268722 + ... + 32290354.

Almost surely, 2^{512222505245554} is an apocalyptic number.

512222505245554 is a deficient number, since it is larger than the sum of its proper divisors (256111364106986).

512222505245554 is a wasteful number, since it uses less digits than its factorization.

512222505245554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37161404.

The product of its (nonzero) digits is 8000000, while the sum is 49.

The spelling of 512222505245554 in words is "five hundred twelve trillion, two hundred twenty-two billion, five hundred five million, two hundred forty-five thousand, five hundred fifty-four".