61065115 has 12 divisors (see below), whose sum is σ = 76605984. Its totient is φ = 46726064.

The previous prime is 61065101. The next prime is 61065119. The reversal of 61065115 is 51156016.

It is not a de Polignac number, because 61065115 - 2⁷ = 61064987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61065115.

It is not an unprimeable number, because it can be changed into a prime (61065119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8899 + ... + 14188.

It is an arithmetic number, because the mean of its divisors is an integer number (6383832).

Almost surely, 2^61065115 is an apocalyptic number.

61065115 is a deficient number, since it is larger than the sum of its proper divisors (15540869).

61065115 is a wasteful number, since it uses less digits than its factorization.

61065115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23138 (or 23115 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 61065115 is about 7814.4171247765. The cubic root of 61065115 is about 393.7897368144.

Subtracting from 61065115 its reverse (51156016), we obtain a palindrome (9909099).

The spelling of 61065115 in words is "sixty-one million, sixty-five thousand, one hundred fifteen".