505515132214431 has 8 divisors (see below), whose sum is σ = 675313881040944. Its totient is φ = 336363235765440.

The previous prime is 505515132214423. The next prime is 505515132214471. The reversal of 505515132214431 is 134412231515505.

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

It is not a de Polignac number, because 505515132214431 - 2³ = 505515132214423 is a prime.

It is a super-2 number, since 2×505515132214431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505515132214471) 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, 161713092556 + ... + 161713095681.

It is an arithmetic number, because the mean of its divisors is an integer number (84414235130118).

Almost surely, 2^{505515132214431} is an apocalyptic number.

505515132214431 is a deficient number, since it is larger than the sum of its proper divisors (169798748826513).

505515132214431 is a wasteful number, since it uses less digits than its factorization.

505515132214431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323426188761.

The product of its (nonzero) digits is 360000, while the sum is 42.

Adding to 505515132214431 its reverse (134412231515505), we get a palindrome (639927363729936).

The spelling of 505515132214431 in words is "five hundred five trillion, five hundred fifteen billion, one hundred thirty-two million, two hundred fourteen thousand, four hundred thirty-one".