61300178842 has 12 divisors (see below), whose sum is σ = 106962557130. Its totient is φ = 26271505176.

The previous prime is 61300178837. The next prime is 61300178869. The reversal of 61300178842 is 24887100316.

It can be written as a sum of positive squares in only one way, i.e., 53338364401 + 7961814441 = 230951^2 + 89229^2 .

It is a super-3 number, since 3×61300178842³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 61300178795 and 61300178804.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312755917 + ... + 312756112.

Almost surely, 2^61300178842 is an apocalyptic number.

61300178842 is a deficient number, since it is larger than the sum of its proper divisors (45662378288).

61300178842 is a wasteful number, since it uses less digits than its factorization.

61300178842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625512045 (or 625512038 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 61300178842 in words is "sixty-one billion, three hundred million, one hundred seventy-eight thousand, eight hundred forty-two".