501541116252 has 48 divisors (see below), whose sum is σ = 1277097300864. Its totient is φ = 151928920000.

The previous prime is 501541116179. The next prime is 501541116257. The reversal of 501541116252 is 252611145105.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501541116257) by changing a digit.

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, 286374 + ... + 1041677.

It is an arithmetic number, because the mean of its divisors is an integer number (26606193768).

Almost surely, 2^501541116252 is an apocalyptic number.

It is an amenable number.

501541116252 is an abundant number, since it is smaller than the sum of its proper divisors (775556184612).

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

501541116252 is a wasteful number, since it uses less digits than its factorization.

501541116252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330930 (or 1330928 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The spelling of 501541116252 in words is "five hundred one billion, five hundred forty-one million, one hundred sixteen thousand, two hundred fifty-two".