511061061 has 8 divisors (see below), whose sum is σ = 778759744. Its totient is φ = 292034880.

The previous prime is 511061041. The next prime is 511061093. The reversal of 511061061 is 160160115.

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

It is not a de Polignac number, because 511061061 - 2⁹ = 511060549 is a prime.

It is a super-2 number, since 2×511061061² = 522366816140891442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 24336241 = 511061061 / (5 + 1 + 1 + 0 + 6 + 1 + 0 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511061041) 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, 12168100 + ... + 12168141.

It is an arithmetic number, because the mean of its divisors is an integer number (97344968).

Almost surely, 2^511061061 is an apocalyptic number.

It is an amenable number.

511061061 is a deficient number, since it is larger than the sum of its proper divisors (267698683).

511061061 is a wasteful number, since it uses less digits than its factorization.

511061061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24336251.

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

The square root of 511061061 is about 22606.6596603744. The cubic root of 511061061 is about 799.5106700271.

The spelling of 511061061 in words is "five hundred eleven million, sixty-one thousand, sixty-one".