61108032613 has 8 divisors (see below), whose sum is σ = 62868391832. Its totient is φ = 59353399296.

The previous prime is 61108032611. The next prime is 61108032637. The reversal of 61108032613 is 31623080116.

It can be written as a sum of positive squares in 4 ways, for example, as 54166976644 + 6941055969 = 232738^2 + 83313^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 61108032613 - 2¹ = 61108032611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61108032611) 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, 1409820 + ... + 1452517.

It is an arithmetic number, because the mean of its divisors is an integer number (7858548979).

Almost surely, 2^61108032613 is an apocalyptic number.

It is an amenable number.

61108032613 is a deficient number, since it is larger than the sum of its proper divisors (1760359219).

61108032613 is a wasteful number, since it uses less digits than its factorization.

61108032613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862951.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 61108032613 in words is "sixty-one billion, one hundred eight million, thirty-two thousand, six hundred thirteen".