505410400435541 has 4 divisors (see below), whose sum is σ = 517164130678272. Its totient is φ = 493656670192812.

The previous prime is 505410400435511. The next prime is 505410400435547. The reversal of 505410400435541 is 145534004014505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505410400435541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505410400435547) 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, 5876865121301 + ... + 5876865121386.

It is an arithmetic number, because the mean of its divisors is an integer number (129291032669568).

Almost surely, 2^{505410400435541} is an apocalyptic number.

It is an amenable number.

505410400435541 is a deficient number, since it is larger than the sum of its proper divisors (11753730242731).

505410400435541 is a wasteful number, since it uses less digits than its factorization.

505410400435541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11753730242730.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 505410400435541 in words is "five hundred five trillion, four hundred ten billion, four hundred million, four hundred thirty-five thousand, five hundred forty-one".