245553511411405 has 4 divisors (see below), whose sum is σ = 294664213693692. Its totient is φ = 196442809129120.

The previous prime is 245553511411381. The next prime is 245553511411421. The reversal of 245553511411405 is 504114115355542.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 102769676701444 + 142783834709961 = 10137538^2 + 11949219^2 .

It is not a de Polignac number, because 245553511411405 - 2²³ = 245553503022797 is a prime.

It is a Duffinian number.

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, 24555351141136 + ... + 24555351141145.

It is an arithmetic number, because the mean of its divisors is an integer number (73666053423423).

Almost surely, 2^{245553511411405} is an apocalyptic number.

It is an amenable number.

245553511411405 is a deficient number, since it is larger than the sum of its proper divisors (49110702282287).

245553511411405 is an equidigital number, since it uses as much as digits as its factorization.

245553511411405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49110702282286.

The product of its (nonzero) digits is 1200000, while the sum is 46.

Adding to 245553511411405 its reverse (504114115355542), we get a palindrome (749667626766947).

The spelling of 245553511411405 in words is "two hundred forty-five trillion, five hundred fifty-three billion, five hundred eleven million, four hundred eleven thousand, four hundred five".