61328011 has 8 divisors (see below), whose sum is σ = 63644400. Its totient is φ = 59025120.

The previous prime is 61328009. The next prime is 61328041. The reversal of 61328011 is 11082316.

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

It is a cyclic number.

It is not a de Polignac number, because 61328011 - 2¹ = 61328009 is a prime.

It is a super-2 number, since 2×61328011² = 7522249866432242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61328041) 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, 6405 + ... + 12793.

It is an arithmetic number, because the mean of its divisors is an integer number (7955550).

Almost surely, 2^61328011 is an apocalyptic number.

61328011 is a deficient number, since it is larger than the sum of its proper divisors (2316389).

61328011 is a wasteful number, since it uses less digits than its factorization.

61328011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 61328011 is about 7831.2202752828. The cubic root of 61328011 is about 394.3540390104.

The spelling of 61328011 in words is "sixty-one million, three hundred twenty-eight thousand, eleven".