425425422555 has 48 divisors (see below), whose sum is σ = 856563075264. Its totient is φ = 191291984640.

The previous prime is 425425422551. The next prime is 425425422577. The reversal of 425425422555 is 555224524524.

425425422555 is a `hidden beast` number, since 4 + 2 + 5 + 42 + 54 + 2 + 2 + 555 = 666.

It is not a de Polignac number, because 425425422555 - 2² = 425425422551 is a prime.

It is a super-2 number, since 2×425425422555² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 425425422555.

It is not an unprimeable number, because it can be changed into a prime (425425422551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11050924 + ... + 11089353.

It is an arithmetic number, because the mean of its divisors is an integer number (17845064068).

Almost surely, 2^425425422555 is an apocalyptic number.

425425422555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

425425422555 is an abundant number, since it is smaller than the sum of its proper divisors (431137652709).

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

425425422555 is a wasteful number, since it uses less digits than its factorization.

425425422555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22140356 (or 22140353 counting only the distinct ones).

The product of its digits is 3200000, while the sum is 45.

The spelling of 425425422555 in words is "four hundred twenty-five billion, four hundred twenty-five million, four hundred twenty-two thousand, five hundred fifty-five".