501500016061 has 4 divisors (see below), whose sum is σ = 547090926624. Its totient is φ = 455909105500.

The previous prime is 501500016037. The next prime is 501500016067. The reversal of 501500016061 is 160610005105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 501500016061 - 2³⁵ = 467140277693 is a prime.

It is a super-2 number, since 2×501500016061² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501500016067) 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, 22795455265 + ... + 22795455286.

It is an arithmetic number, because the mean of its divisors is an integer number (136772731656).

Almost surely, 2^501500016061 is an apocalyptic number.

It is an amenable number.

501500016061 is a deficient number, since it is larger than the sum of its proper divisors (45590910563).

501500016061 is a wasteful number, since it uses less digits than its factorization.

501500016061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45590910562.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 501500016061 in words is "five hundred one billion, five hundred million, sixteen thousand, sixty-one".