61080099915 has 8 divisors (see below), whose sum is σ = 97728159888. Its totient is φ = 32576053280.

The previous prime is 61080099911. The next prime is 61080099917. The reversal of 61080099915 is 51999008016.

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

It is not a de Polignac number, because 61080099915 - 2² = 61080099911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61080099911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036003316 + ... + 2036003345.

It is an arithmetic number, because the mean of its divisors is an integer number (12216019986).

Almost surely, 2^61080099915 is an apocalyptic number.

61080099915 is a deficient number, since it is larger than the sum of its proper divisors (36648059973).

61080099915 is a wasteful number, since it uses less digits than its factorization.

61080099915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072006669.

The product of its (nonzero) digits is 174960, while the sum is 48.

The spelling of 61080099915 in words is "sixty-one billion, eighty million, ninety-nine thousand, nine hundred fifteen".