61032832578 has 24 divisors (see below), whose sum is σ = 132460825068. Its totient is φ = 20309966592.

The previous prime is 61032832561. The next prime is 61032832589. The reversal of 61032832578 is 87523823016.

61032832578 is a `hidden beast` number, since 6 + 10 + 32 + 8 + 32 + 578 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57872481489 + 3160351089 = 240567^2 + 56217^2 .

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 11 ways as a sum of consecutive naturals, for example, 2848275 + ... + 2869622.

Almost surely, 2^61032832578 is an apocalyptic number.

61032832578 is an abundant number, since it is smaller than the sum of its proper divisors (71427992490).

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

61032832578 is a wasteful number, since it uses less digits than its factorization.

61032832578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718498 (or 5718495 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 61032832578 in words is "sixty-one billion, thirty-two million, eight hundred thirty-two thousand, five hundred seventy-eight".