613311553056 has 96 divisors (see below), whose sum is σ = 1701709732800. Its totient is φ = 192873553920.

The previous prime is 613311552983. The next prime is 613311553069. The reversal of 613311553056 is 650355113316.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×613311553056² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 258021 + ... + 1137188.

It is an arithmetic number, because the mean of its divisors is an integer number (17726143050).

Almost surely, 2^613311553056 is an apocalyptic number.

It is an amenable number.

613311553056 is an abundant number, since it is smaller than the sum of its proper divisors (1088398179744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613311553056 is a wasteful number, since it uses less digits than its factorization.

613311553056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395482 (or 1395474 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 39.

The spelling of 613311553056 in words is "six hundred thirteen billion, three hundred eleven million, five hundred fifty-three thousand, fifty-six".