61180719601 has 4 divisors (see below), whose sum is σ = 63840750912. Its totient is φ = 58520688292.

The previous prime is 61180719583. The next prime is 61180719673. The reversal of 61180719601 is 10691708116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61180719601 - 2¹⁷ = 61180588529 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61180711601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330015621 + ... + 1330015666.

It is an arithmetic number, because the mean of its divisors is an integer number (15960187728).

Almost surely, 2^61180719601 is an apocalyptic number.

It is an amenable number.

61180719601 is a deficient number, since it is larger than the sum of its proper divisors (2660031311).

61180719601 is a wasteful number, since it uses less digits than its factorization.

61180719601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660031310.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 61180719601 in words is "sixty-one billion, one hundred eighty million, seven hundred nineteen thousand, six hundred one".