425511011 has 4 divisors (see below), whose sum is σ = 428121672. Its totient is φ = 422900352.

The previous prime is 425511007. The next prime is 425511029. The reversal of 425511011 is 110115524.

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 425511011 - 2² = 425511007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425511001) 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, 1305086 + ... + 1305411.

It is an arithmetic number, because the mean of its divisors is an integer number (107030418).

Almost surely, 2^425511011 is an apocalyptic number.

425511011 is a deficient number, since it is larger than the sum of its proper divisors (2610661).

425511011 is a wasteful number, since it uses less digits than its factorization.

425511011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610660.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 425511011 is about 20627.9182420331. The cubic root of 425511011 is about 752.1485125000.

Adding to 425511011 its reverse (110115524), we get a palindrome (535626535).

The spelling of 425511011 in words is "four hundred twenty-five million, five hundred eleven thousand, eleven".