61360251163 has 8 divisors (see below), whose sum is σ = 66070859760. Its totient is φ = 56771996160.

The previous prime is 61360251151. The next prime is 61360251167. The reversal of 61360251163 is 36115206316.

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 61360251163 - 2¹³ = 61360242971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61360251167) 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, 30587358 + ... + 30589363.

It is an arithmetic number, because the mean of its divisors is an integer number (8258857470).

Almost surely, 2^61360251163 is an apocalyptic number.

61360251163 is a deficient number, since it is larger than the sum of its proper divisors (4710608597).

61360251163 is a wasteful number, since it uses less digits than its factorization.

61360251163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61176797.

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 61360251163 its reverse (36115206316), we get a palindrome (97475457479).

The spelling of 61360251163 in words is "sixty-one billion, three hundred sixty million, two hundred fifty-one thousand, one hundred sixty-three".