425420525211 has 16 divisors (see below), whose sum is σ = 633886017408. Its totient is φ = 251542068800.

The previous prime is 425420525203. The next prime is 425420525227. The reversal of 425420525211 is 112525024524.

It is not a de Polignac number, because 425420525211 - 2³ = 425420525203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (425420525711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157212441 + ... + 157215146.

It is an arithmetic number, because the mean of its divisors is an integer number (39617876088).

Almost surely, 2^425420525211 is an apocalyptic number.

425420525211 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

425420525211 is a deficient number, since it is larger than the sum of its proper divisors (208465492197).

425420525211 is a wasteful number, since it uses less digits than its factorization.

425420525211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314427642.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 425420525211 its reverse (112525024524), we get a palindrome (537945549735).

The spelling of 425420525211 in words is "four hundred twenty-five billion, four hundred twenty million, five hundred twenty-five thousand, two hundred eleven".