61011080 has 32 divisors (see below), whose sum is σ = 147835800. Its totient is φ = 22526976.

The previous prime is 61011077. The next prime is 61011089. The reversal of 61011080 is 8011016.

It is a happy number.

61011080 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 4 ways, for example, as 19201924 + 41809156 = 4382^2 + 6466^2 .

It is not an unprimeable number, because it can be changed into a prime (61011089) 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, 58145 + ... + 59184.

Almost surely, 2^61011080 is an apocalyptic number.

It is an amenable number.

61011080 is an abundant number, since it is smaller than the sum of its proper divisors (86824720).

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

61011080 is a wasteful number, since it uses less digits than its factorization.

61011080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117353 (or 117349 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 61011080 is about 7810.9589680141. The cubic root of 61011080 is about 393.6735509595.

Adding to 61011080 its reverse (8011016), we get a palindrome (69022096).

The spelling of 61011080 in words is "sixty-one million, eleven thousand, eighty".