61150780 has 12 divisors (see below), whose sum is σ = 128416680. Its totient is φ = 24460304.

The previous prime is 61150777. The next prime is 61150781. The reversal of 61150780 is 8705116.

It is a happy number.

61150780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61150781) by changing a digit.

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, 1528750 + ... + 1528789.

It is an arithmetic number, because the mean of its divisors is an integer number (10701390).

Almost surely, 2^61150780 is an apocalyptic number.

It is an amenable number.

61150780 is an abundant number, since it is smaller than the sum of its proper divisors (67265900).

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

61150780 is a wasteful number, since it uses less digits than its factorization.

61150780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057548 (or 3057546 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 61150780 is about 7819.8964187513. The cubic root of 61150780 is about 393.9737929952.

Adding to 61150780 its reverse (8705116), we get a palindrome (69855896).

The spelling of 61150780 in words is "sixty-one million, one hundred fifty thousand, seven hundred eighty".