61161058113 has 8 divisors (see below), whose sum is σ = 81549376128. Its totient is φ = 40773389424.

The previous prime is 61161058093. The next prime is 61161058139. The reversal of 61161058113 is 31185016116.

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

It is not a de Polignac number, because 61161058113 - 2¹⁷ = 61160927041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61161058513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135531 + ... + 375087.

It is an arithmetic number, because the mean of its divisors is an integer number (10193672016).

Almost surely, 2^61161058113 is an apocalyptic number.

It is an amenable number.

61161058113 is a deficient number, since it is larger than the sum of its proper divisors (20388318015).

61161058113 is a wasteful number, since it uses less digits than its factorization.

61161058113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324663.

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 61161058113 in words is "sixty-one billion, one hundred sixty-one million, fifty-eight thousand, one hundred thirteen".