61213366003 has 8 divisors (see below), whose sum is σ = 61316107776. Its totient is φ = 61110693000.

The previous prime is 61213365991. The next prime is 61213366069. The reversal of 61213366003 is 30066331216.

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 61213366003 - 2⁵ = 61213365971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61213367003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949478 + ... + 1980628.

It is an arithmetic number, because the mean of its divisors is an integer number (7664513472).

Almost surely, 2^61213366003 is an apocalyptic number.

61213366003 is a deficient number, since it is larger than the sum of its proper divisors (102741773).

61213366003 is a wasteful number, since it uses less digits than its factorization.

61213366003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34385.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 61213366003 its reverse (30066331216), we get a palindrome (91279697219).

The spelling of 61213366003 in words is "sixty-one billion, two hundred thirteen million, three hundred sixty-six thousand, three".