61441600515625 has 28 divisors (see below), whose sum is σ = 83782928502288. Its totient is φ = 44684800250000.

The previous prime is 61441600515623. The next prime is 61441600515761. The reversal of 61441600515625 is 52651500614416.

It is not a de Polignac number, because 61441600515625 - 2¹ = 61441600515623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61441600515623) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 178567327 + ... + 178911076.

Almost surely, 2^{61441600515625} is an apocalyptic number.

It is an amenable number.

61441600515625 is a deficient number, since it is larger than the sum of its proper divisors (22341327986663).

61441600515625 is an frugal number, since it uses more digits than its factorization.

61441600515625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357478444 (or 357478419 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 61441600515625 in words is "sixty-one trillion, four hundred forty-one billion, six hundred million, five hundred fifteen thousand, six hundred twenty-five".