61755330401 has 8 divisors (see below), whose sum is σ = 62070755808. Its totient is φ = 61440120000.

The previous prime is 61755330391. The next prime is 61755330407. The reversal of 61755330401 is 10403355716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61755330401 - 2⁶ = 61755330337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61755330407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 538766 + ... + 643256.

It is an arithmetic number, because the mean of its divisors is an integer number (7758844476).

Almost surely, 2^61755330401 is an apocalyptic number.

It is an amenable number.

61755330401 is a deficient number, since it is larger than the sum of its proper divisors (315425407).

61755330401 is a wasteful number, since it uses less digits than its factorization.

61755330401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107503.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 61755330401 in words is "sixty-one billion, seven hundred fifty-five million, three hundred thirty thousand, four hundred one".