61325851228 has 24 divisors (see below), whose sum is σ = 107699784192. Its totient is φ = 30554633664.

The previous prime is 61325851219. The next prime is 61325851247. The reversal of 61325851228 is 82215852316.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1693326 + ... + 1729162.

It is an arithmetic number, because the mean of its divisors is an integer number (4487491008).

Almost surely, 2^61325851228 is an apocalyptic number.

It is an amenable number.

61325851228 is a deficient number, since it is larger than the sum of its proper divisors (46373932964).

61325851228 is a wasteful number, since it uses less digits than its factorization.

61325851228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37341 (or 37339 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The spelling of 61325851228 in words is "sixty-one billion, three hundred twenty-five million, eight hundred fifty-one thousand, two hundred twenty-eight".