501010061061 has 8 divisors (see below), whose sum is σ = 668259109120. Its totient is φ = 333883860192.

The previous prime is 501010061023. The next prime is 501010061089. The reversal of 501010061061 is 160160010105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 501010061061 - 2¹⁸ = 501009798917 is a prime.

It is a super-2 number, since 2×501010061061² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501010061021) 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 7 ways as a sum of consecutive naturals, for example, 30702280 + ... + 30718593.

It is an arithmetic number, because the mean of its divisors is an integer number (83532388640).

Almost surely, 2^501010061061 is an apocalyptic number.

It is an amenable number.

501010061061 is a deficient number, since it is larger than the sum of its proper divisors (167249048059).

501010061061 is a wasteful number, since it uses less digits than its factorization.

501010061061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61423595.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 501010061061 its reverse (160160010105), we get a palindrome (661170071166).

The spelling of 501010061061 in words is "five hundred one billion, ten million, sixty-one thousand, sixty-one".