61061405232 has 40 divisors (see below), whose sum is σ = 159963690240. Its totient is φ = 20067127360.

The previous prime is 61061405227. The next prime is 61061405267. The reversal of 61061405232 is 23250416016.

It is a self number, because there is not a number n which added to its sum of digits gives 61061405232.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8955132 + ... + 8961947.

It is an arithmetic number, because the mean of its divisors is an integer number (3999092256).

Almost surely, 2^61061405232 is an apocalyptic number.

It is an amenable number.

61061405232 is an abundant number, since it is smaller than the sum of its proper divisors (98902285008).

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

61061405232 is a wasteful number, since it uses less digits than its factorization.

61061405232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17917161 (or 17917155 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 61061405232 in words is "sixty-one billion, sixty-one million, four hundred five thousand, two hundred thirty-two".