405511130455 has 4 divisors (see below), whose sum is σ = 486613356552. Its totient is φ = 324408904360.

The previous prime is 405511130447. The next prime is 405511130473. The reversal of 405511130455 is 554031115504.

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

It is not a de Polignac number, because 405511130455 - 2³ = 405511130447 is a prime.

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 405511130455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40551113041 + ... + 40551113050.

It is an arithmetic number, because the mean of its divisors is an integer number (121653339138).

Almost surely, 2^405511130455 is an apocalyptic number.

405511130455 is a deficient number, since it is larger than the sum of its proper divisors (81102226097).

405511130455 is an equidigital number, since it uses as much as digits as its factorization.

405511130455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81102226096.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 405511130455 its reverse (554031115504), we get a palindrome (959542245959).

The spelling of 405511130455 in words is "four hundred five billion, five hundred eleven million, one hundred thirty thousand, four hundred fifty-five".