501120204043 has 4 divisors (see below), whose sum is σ = 501123959560. Its totient is φ = 501116448528.

The previous prime is 501120204031. The next prime is 501120204049. The reversal of 501120204043 is 340402021105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 501120204043 - 2⁹ = 501120203531 is a prime.

It is a super-2 number, since 2×501120204043² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501120204049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669938 + ... + 1947031.

It is an arithmetic number, because the mean of its divisors is an integer number (125280989890).

Almost surely, 2^501120204043 is an apocalyptic number.

501120204043 is a deficient number, since it is larger than the sum of its proper divisors (3755517).

501120204043 is a wasteful number, since it uses less digits than its factorization.

501120204043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755516.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 501120204043 its reverse (340402021105), we get a palindrome (841522225148).

The spelling of 501120204043 in words is "five hundred one billion, one hundred twenty million, two hundred four thousand, forty-three".