405511013245 has 32 divisors (see below), whose sum is σ = 527233795200. Its totient is φ = 297633794304.

The previous prime is 405511013231. The next prime is 405511013263. The reversal of 405511013245 is 542310115504.

It is a cyclic number.

It is not a de Polignac number, because 405511013245 - 2²¹ = 405508916093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27136986 + ... + 27151924.

It is an arithmetic number, because the mean of its divisors is an integer number (16476056100).

Almost surely, 2^405511013245 is an apocalyptic number.

It is an amenable number.

405511013245 is a deficient number, since it is larger than the sum of its proper divisors (121722781955).

405511013245 is a wasteful number, since it uses less digits than its factorization.

405511013245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17469.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 405511013245 its reverse (542310115504), we get a palindrome (947821128749).

The spelling of 405511013245 in words is "four hundred five billion, five hundred eleven million, thirteen thousand, two hundred forty-five".