425055511 has 4 divisors (see below), whose sum is σ = 425143152. Its totient is φ = 424967872.

The previous prime is 425055469. The next prime is 425055541. The reversal of 425055511 is 115550524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425055511 - 2⁷ = 425055383 is a prime.

It is a super-2 number, since 2×425055511² = 361344374862942242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425055511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425055541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36091 + ... + 46396.

It is an arithmetic number, because the mean of its divisors is an integer number (106285788).

Almost surely, 2^425055511 is an apocalyptic number.

425055511 is a deficient number, since it is larger than the sum of its proper divisors (87641).

425055511 is an equidigital number, since it uses as much as digits as its factorization.

425055511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87640.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 425055511 is about 20616.8744236366. The cubic root of 425055511 is about 751.8800306346.

The spelling of 425055511 in words is "four hundred twenty-five million, fifty-five thousand, five hundred eleven".