501445112250 has 32 divisors (see below), whose sum is σ = 1251607002048. Its totient is φ = 133718696400.

The previous prime is 501445112197. The next prime is 501445112293. The reversal of 501445112250 is 52211544105.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334295992 + ... + 334297491.

It is an arithmetic number, because the mean of its divisors is an integer number (39112718814).

Almost surely, 2^501445112250 is an apocalyptic number.

501445112250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

501445112250 is an abundant number, since it is smaller than the sum of its proper divisors (750161889798).

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

501445112250 is a wasteful number, since it uses less digits than its factorization.

501445112250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668593503 (or 668593493 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 501445112250 its reverse (52211544105), we get a palindrome (553656656355).

The spelling of 501445112250 in words is "five hundred one billion, four hundred forty-five million, one hundred twelve thousand, two hundred fifty".