425512111 has 8 divisors (see below), whose sum is σ = 429122144. Its totient is φ = 421912800.

The previous prime is 425512097. The next prime is 425512117. The reversal of 425512111 is 111215524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425512111 - 2⁵ = 425512079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425512117) 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 7 ways as a sum of consecutive naturals, for example, 90265 + ... + 94861.

It is an arithmetic number, because the mean of its divisors is an integer number (53640268).

Almost surely, 2^425512111 is an apocalyptic number.

425512111 is a deficient number, since it is larger than the sum of its proper divisors (3610033).

425512111 is a wasteful number, since it uses less digits than its factorization.

425512111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361.

The product of its digits is 400, while the sum is 22.

The square root of 425512111 is about 20627.9449049099. The cubic root of 425512111 is about 752.1491606326.

Adding to 425512111 its reverse (111215524), we get a palindrome (536727635).

The spelling of 425512111 in words is "four hundred twenty-five million, five hundred twelve thousand, one hundred eleven".