405605051025 has 12 divisors (see below), whose sum is σ = 670600351152. Its totient is φ = 216322693840.

The previous prime is 405605051017. The next prime is 405605051053. The reversal of 405605051025 is 520150506504.

It is not a de Polignac number, because 405605051025 - 2³ = 405605051017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2704033599 + ... + 2704033748.

It is an arithmetic number, because the mean of its divisors is an integer number (55883362596).

Almost surely, 2^405605051025 is an apocalyptic number.

It is an amenable number.

405605051025 is a deficient number, since it is larger than the sum of its proper divisors (264995300127).

405605051025 is a wasteful number, since it uses less digits than its factorization.

405605051025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408067360 (or 5408067355 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 405605051025 its reverse (520150506504), we get a palindrome (925755557529).

The spelling of 405605051025 in words is "four hundred five billion, six hundred five million, fifty-one thousand, twenty-five".