505509141461 has 4 divisors (see below), whose sum is σ = 505510774272. Its totient is φ = 505507508652.

The previous prime is 505509141343. The next prime is 505509141463. The reversal of 505509141461 is 164141905505.

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 not a de Polignac number, because 505509141461 - 2²⁶ = 505442032597 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 (505509141463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193685 + ... + 1023978.

It is an arithmetic number, because the mean of its divisors is an integer number (126377693568).

Almost surely, 2^505509141461 is an apocalyptic number.

It is an amenable number.

505509141461 is a deficient number, since it is larger than the sum of its proper divisors (1632811).

505509141461 is a wasteful number, since it uses less digits than its factorization.

505509141461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632810.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 505509141461 in words is "five hundred five billion, five hundred nine million, one hundred forty-one thousand, four hundred sixty-one".