505550051061 has 8 divisors (see below), whose sum is σ = 735345528864. Its totient is φ = 306393970320.

The previous prime is 505550051059. The next prime is 505550051081. The reversal of 505550051061 is 160150055505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505550051061 - 2¹ = 505550051059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 15319698517 = 505550051061 / (5 + 0 + 5 + 5 + 5 + 0 + 0 + 5 + 1 + 0 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505550051011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7659849226 + ... + 7659849291.

It is an arithmetic number, because the mean of its divisors is an integer number (91918191108).

Almost surely, 2^505550051061 is an apocalyptic number.

It is an amenable number.

505550051061 is a deficient number, since it is larger than the sum of its proper divisors (229795477803).

505550051061 is a wasteful number, since it uses less digits than its factorization.

505550051061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319698531.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 505550051061 in words is "five hundred five billion, five hundred fifty million, fifty-one thousand, sixty-one".