505545152505 has 32 divisors (see below), whose sum is σ = 813524549760. Its totient is φ = 268073809920.

The previous prime is 505545152503. The next prime is 505545152507. The reversal of 505545152505 is 505251545505.

It is an interprime number because it is at equal distance from previous prime (505545152503) and next prime (505545152507).

It is not a de Polignac number, because 505545152505 - 2¹ = 505545152503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505545152501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22416535 + ... + 22439075.

It is an arithmetic number, because the mean of its divisors is an integer number (25422642180).

Almost surely, 2^505545152505 is an apocalyptic number.

It is an amenable number.

505545152505 is a deficient number, since it is larger than the sum of its proper divisors (307979397255).

505545152505 is a wasteful number, since it uses less digits than its factorization.

505545152505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31081.

The product of its (nonzero) digits is 625000, while the sum is 42.

The spelling of 505545152505 in words is "five hundred five billion, five hundred forty-five million, one hundred fifty-two thousand, five hundred five".