2556730522546 has 8 divisors (see below), whose sum is σ = 3865293388800. Its totient is φ = 1268299392948.

The previous prime is 2556730522529. The next prime is 2556730522571. The reversal of 2556730522546 is 6452250376552.

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 = 2556730522493 and 2556730522502.

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, 5032933846 + ... + 5032934353.

It is an arithmetic number, because the mean of its divisors is an integer number (483161673600).

Almost surely, 2^{2556730522546} is an apocalyptic number.

2556730522546 is a deficient number, since it is larger than the sum of its proper divisors (1308562866254).

2556730522546 is a wasteful number, since it uses less digits than its factorization.

2556730522546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065868328.

The product of its (nonzero) digits is 15120000, while the sum is 52.

The spelling of 2556730522546 in words is "two trillion, five hundred fifty-six billion, seven hundred thirty million, five hundred twenty-two thousand, five hundred forty-six".