420025503120265 has 16 divisors (see below), whose sum is σ = 576041314930560. Its totient is φ = 288014318242560.

The previous prime is 420025503120247. The next prime is 420025503120269. The reversal of 420025503120265 is 562021305520024.

It is not a de Polignac number, because 420025503120265 - 2¹³ = 420025503112073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420025503120269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62805520 + ... + 69170689.

It is an arithmetic number, because the mean of its divisors is an integer number (36002582183160).

Almost surely, 2^{420025503120265} is an apocalyptic number.

It is an amenable number.

420025503120265 is a deficient number, since it is larger than the sum of its proper divisors (156015811810295).

420025503120265 is a wasteful number, since it uses less digits than its factorization.

420025503120265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132067152.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 420025503120265 its reverse (562021305520024), we get a palindrome (982046808640289).

The spelling of 420025503120265 in words is "four hundred twenty trillion, twenty-five billion, five hundred three million, one hundred twenty thousand, two hundred sixty-five".