61057325197 has 8 divisors (see below), whose sum is σ = 67049105472. Its totient is φ = 55139064000.

The previous prime is 61057325059. The next prime is 61057325201. The reversal of 61057325197 is 79152375016.

It is a happy number.

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 61057325197 - 2¹¹ = 61057323149 is a prime.

It is a super-2 number, since 2×61057325197² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61057325597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18378028 + ... + 18381349.

It is an arithmetic number, because the mean of its divisors is an integer number (8381138184).

Almost surely, 2^61057325197 is an apocalyptic number.

It is an amenable number.

61057325197 is a deficient number, since it is larger than the sum of its proper divisors (5991780275).

61057325197 is a wasteful number, since it uses less digits than its factorization.

61057325197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36759539.

The product of its (nonzero) digits is 396900, while the sum is 46.

The spelling of 61057325197 in words is "sixty-one billion, fifty-seven million, three hundred twenty-five thousand, one hundred ninety-seven".