505123312150002 has 64 divisors (see below), whose sum is σ = 1244349582013440. Its totient is φ = 133115500643904.

The previous prime is 505123312149949. The next prime is 505123312150007. The reversal of 505123312150002 is 200051213321505.

It is not an unprimeable number, because it can be changed into a prime (505123312150007) 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, 359835052 + ... + 361236087.

It is an arithmetic number, because the mean of its divisors is an integer number (19442962218960).

Almost surely, 2^{505123312150002} is an apocalyptic number.

505123312150002 is an abundant number, since it is smaller than the sum of its proper divisors (739226269863438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505123312150002 is a wasteful number, since it uses less digits than its factorization.

505123312150002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721072447.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 505123312150002 its reverse (200051213321505), we get a palindrome (705174525471507).

The spelling of 505123312150002 in words is "five hundred five trillion, one hundred twenty-three billion, three hundred twelve million, one hundred fifty thousand, two".