2010721601755 has 8 divisors (see below), whose sum is σ = 2413055346912. Its totient is φ = 1608450998208.

The previous prime is 2010721601753. The next prime is 2010721601789. The reversal of 2010721601755 is 5571061270102.

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 2010721601755 - 2¹ = 2010721601753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010721601753) 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, 15715314 + ... + 15842743.

It is an arithmetic number, because the mean of its divisors is an integer number (301631918364).

Almost surely, 2^{2010721601755} is an apocalyptic number.

2010721601755 is a deficient number, since it is larger than the sum of its proper divisors (402333745157).

2010721601755 is a wasteful number, since it uses less digits than its factorization.

2010721601755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31570805.

The product of its (nonzero) digits is 29400, while the sum is 37.

Adding to 2010721601755 its reverse (5571061270102), we get a palindrome (7581782871857).

The spelling of 2010721601755 in words is "two trillion, ten billion, seven hundred twenty-one million, six hundred one thousand, seven hundred fifty-five".