61060001000 has 64 divisors (see below), whose sum is σ = 143473833360. Its totient is φ = 24322560000.

The previous prime is 61060000961. The next prime is 61060001021. The reversal of 61060001000 is 10006016.

It can be written as a sum of positive squares in 8 ways, for example, as 1585473124 + 59474527876 = 39818^2 + 243874^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114320 + ... + 367680.

Almost surely, 2^61060001000 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 61060001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71736916680).

61060001000 is an abundant number, since it is smaller than the sum of its proper divisors (82413832360).

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

61060001000 is a wasteful number, since it uses less digits than its factorization.

61060001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253623 (or 253609 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 61060001000 its reverse (10006016), we get a palindrome (61070007016).

The spelling of 61060001000 in words is "sixty-one billion, sixty million, one thousand".