501061611052 has 24 divisors (see below), whose sum is σ = 907182183600. Its totient is φ = 241868375616.

The previous prime is 501061611047. The next prime is 501061611053. The reversal of 501061611052 is 250116160105.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 501061611052.

It is not an unprimeable number, because it can be changed into a prime (501061611053) 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, 1024363 + ... + 1432285.

It is an arithmetic number, because the mean of its divisors is an integer number (37799257650).

Almost surely, 2^501061611052 is an apocalyptic number.

It is an amenable number.

501061611052 is a deficient number, since it is larger than the sum of its proper divisors (406120572548).

501061611052 is a wasteful number, since it uses less digits than its factorization.

501061611052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418545 (or 418543 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 501061611052 its reverse (250116160105), we get a palindrome (751177771157).

The spelling of 501061611052 in words is "five hundred one billion, sixty-one million, six hundred eleven thousand, fifty-two".