61075325528 has 64 divisors (see below), whose sum is σ = 136624320000. Its totient is φ = 25026388992.

The previous prime is 61075325527. The next prime is 61075325537. The reversal of 61075325528 is 82552357016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61075325527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3467528 + ... + 3485096.

It is an arithmetic number, because the mean of its divisors is an integer number (2134755000).

Almost surely, 2^61075325528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61075325528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68312160000).

61075325528 is an abundant number, since it is smaller than the sum of its proper divisors (75548994472).

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

61075325528 is a wasteful number, since it uses less digits than its factorization.

61075325528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20304 (or 20300 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 61075325528 in words is "sixty-one billion, seventy-five million, three hundred twenty-five thousand, five hundred twenty-eight".