505131451232 has 48 divisors (see below), whose sum is σ = 1003385880000. Its totient is φ = 250310860800.

The previous prime is 505131451219. The next prime is 505131451273. The reversal of 505131451232 is 232154131505.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022857 + ... + 2258807.

It is an arithmetic number, because the mean of its divisors is an integer number (20903872500).

Almost surely, 2^505131451232 is an apocalyptic number.

It is an amenable number.

505131451232 is a deficient number, since it is larger than the sum of its proper divisors (498254428768).

505131451232 is a wasteful number, since it uses less digits than its factorization.

505131451232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236559 (or 236551 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 505131451232 its reverse (232154131505), we get a palindrome (737285582737).

The spelling of 505131451232 in words is "five hundred five billion, one hundred thirty-one million, four hundred fifty-one thousand, two hundred thirty-two".