61272756330000 has 200 divisors, whose sum is σ = 197848336116288. Its totient is φ = 16335130176000.

The previous prime is 61272756329947. The next prime is 61272756330029. The reversal of 61272756330000 is 3365727216.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 115324957 + ... + 115855043.

Almost surely, 2^{61272756330000} is an apocalyptic number.

61272756330000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61272756330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98924168058144).

61272756330000 is an abundant number, since it is smaller than the sum of its proper divisors (136575579786288).

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

61272756330000 is a wasteful number, since it uses less digits than its factorization.

61272756330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533971 (or 533950 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 61272756330000 in words is "sixty-one trillion, two hundred seventy-two billion, seven hundred fifty-six million, three hundred thirty thousand".