61366510153243 has 8 divisors (see below), whose sum is σ = 63351102467456. Its totient is φ = 59382232056000.

The previous prime is 61366510153219. The next prime is 61366510153259. The reversal of 61366510153243 is 34235101566316.

It is a happy number.

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 61366510153243 - 2⁵ = 61366510153211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61366510153193 and 61366510153202.

It is not an unprimeable number, because it can be changed into a prime (61366510153213) 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, 78157296 + ... + 78938557.

It is an arithmetic number, because the mean of its divisors is an integer number (7918887808432).

Almost surely, 2^{61366510153243} is an apocalyptic number.

61366510153243 is a deficient number, since it is larger than the sum of its proper divisors (1984592314213).

61366510153243 is a wasteful number, since it uses less digits than its factorization.

61366510153243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157108485.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 61366510153243 in words is "sixty-one trillion, three hundred sixty-six billion, five hundred ten million, one hundred fifty-three thousand, two hundred forty-three".