720881444101 has 32 divisors (see below), whose sum is σ = 911645584640. Its totient is φ = 554692064256.

The previous prime is 720881444089. The next prime is 720881444111. The reversal of 720881444101 is 101444188027.

It is a cyclic number.

It is not a de Polignac number, because 720881444101 - 2¹³ = 720881435909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720881444111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7287565 + ... + 7385821.

It is an arithmetic number, because the mean of its divisors is an integer number (28488924520).

Almost surely, 2^720881444101 is an apocalyptic number.

It is an amenable number.

720881444101 is a deficient number, since it is larger than the sum of its proper divisors (190764140539).

720881444101 is a wasteful number, since it uses less digits than its factorization.

720881444101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100493.

The product of its (nonzero) digits is 57344, while the sum is 40.

The spelling of 720881444101 in words is "seven hundred twenty billion, eight hundred eighty-one million, four hundred forty-four thousand, one hundred one".