501061011 has 16 divisors (see below), whose sum is σ = 737009280. Its totient is φ = 300259520.

The previous prime is 501060997. The next prime is 501061021. The reversal of 501061011 is 110160105.

It is not a de Polignac number, because 501061011 - 2⁵ = 501060979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501061021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82365 + ... + 88238.

It is an arithmetic number, because the mean of its divisors is an integer number (46063080).

Almost surely, 2^501061011 is an apocalyptic number.

501061011 is a deficient number, since it is larger than the sum of its proper divisors (235948269).

501061011 is a wasteful number, since it uses less digits than its factorization.

501061011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170706.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 501061011 is about 22384.3921293387. The cubic root of 501061011 is about 794.2615459979.

The spelling of 501061011 in words is "five hundred one million, sixty-one thousand, eleven".