61071020000 has 60 divisors (see below), whose sum is σ = 150243919056. Its totient is φ = 24428400000.

The previous prime is 61071019957. The next prime is 61071020029. The reversal of 61071020000 is 2017016.

It is a happy number.

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 9 ways as a sum of consecutive naturals, for example, 1506776 + ... + 1546775.

Almost surely, 2^61071020000 is an apocalyptic number.

It is an amenable number.

61071020000 is an abundant number, since it is smaller than the sum of its proper divisors (89172899056).

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

61071020000 is an equidigital number, since it uses as much as digits as its factorization.

61071020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053581 (or 3053558 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

Adding to 61071020000 its reverse (2017016), we get a palindrome (61073037016).

The spelling of 61071020000 in words is "sixty-one billion, seventy-one million, twenty thousand".