61196579061 has 4 divisors (see below), whose sum is σ = 81595438752. Its totient is φ = 40797719372.

The previous prime is 61196579011. The next prime is 61196579063. The reversal of 61196579061 is 16097569116.

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 61196579061 - 2¹⁵ = 61196546293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61196578995 and 61196579013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61196579063) 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, 10199429841 + ... + 10199429846.

It is an arithmetic number, because the mean of its divisors is an integer number (20398859688).

Almost surely, 2^61196579061 is an apocalyptic number.

It is an amenable number.

61196579061 is a deficient number, since it is larger than the sum of its proper divisors (20398859691).

61196579061 is a wasteful number, since it uses less digits than its factorization.

61196579061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20398859690.

The product of its (nonzero) digits is 612360, while the sum is 51.

The spelling of 61196579061 in words is "sixty-one billion, one hundred ninety-six million, five hundred seventy-nine thousand, sixty-one".