61511046 has 8 divisors (see below), whose sum is σ = 123022104. Its totient is φ = 20503680.

The previous prime is 61511033. The next prime is 61511071. The reversal of 61511046 is 64011516.

61511046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

61511046 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5125915 + ... + 5125926.

It is an arithmetic number, because the mean of its divisors is an integer number (15377763).

Almost surely, 2^61511046 is an apocalyptic number.

61511046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61511046 is a wasteful number, since it uses less digits than its factorization.

61511046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10251846.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 61511046 is about 7842.8978062958. The cubic root of 61511046 is about 394.7459692280.

The spelling of 61511046 in words is "sixty-one million, five hundred eleven thousand, forty-six".