61513215443336 has 32 divisors (see below), whose sum is σ = 115421880960000. Its totient is φ = 30734055323136.

The previous prime is 61513215443299. The next prime is 61513215443341. The reversal of 61513215443336 is 63334451231516.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60313745 + ... + 61325151.

It is an arithmetic number, because the mean of its divisors is an integer number (3606933780000).

Almost surely, 2^{61513215443336} is an apocalyptic number.

It is an amenable number.

61513215443336 is a deficient number, since it is larger than the sum of its proper divisors (53908665516664).

61513215443336 is a wasteful number, since it uses less digits than its factorization.

61513215443336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016981 (or 1016977 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 47.

The spelling of 61513215443336 in words is "sixty-one trillion, five hundred thirteen billion, two hundred fifteen million, four hundred forty-three thousand, three hundred thirty-six".