556655156433425 has 12 divisors (see below), whose sum is σ = 788859878831616. Its totient is φ = 381706392982800.

The previous prime is 556655156433419. The next prime is 556655156433437. The reversal of 556655156433425 is 524334651556655.

It is a happy number.

It is not a de Polignac number, because 556655156433425 - 2⁶ = 556655156433361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1590443303921 + ... + 1590443304270.

It is an arithmetic number, because the mean of its divisors is an integer number (65738323235968).

Almost surely, 2^{556655156433425} is an apocalyptic number.

It is an amenable number.

556655156433425 is a deficient number, since it is larger than the sum of its proper divisors (232204722398191).

556655156433425 is a wasteful number, since it uses less digits than its factorization.

556655156433425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180886608208 (or 3180886608203 counting only the distinct ones).

The product of its digits is 972000000, while the sum is 65.

The spelling of 556655156433425 in words is "five hundred fifty-six trillion, six hundred fifty-five billion, one hundred fifty-six million, four hundred thirty-three thousand, four hundred twenty-five".