726480100110101 has 4 divisors (see below), whose sum is σ = 746114697410412. Its totient is φ = 706845502809792.

The previous prime is 726480100110031. The next prime is 726480100110109. The reversal of 726480100110101 is 101011001084627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 377528397408100 + 348951702702001 = 19430090^2 + 18680249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726480100110101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726480100110109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9817298650100 + ... + 9817298650173.

It is an arithmetic number, because the mean of its divisors is an integer number (186528674352603).

Almost surely, 2^{726480100110101} is an apocalyptic number.

It is an amenable number.

726480100110101 is a deficient number, since it is larger than the sum of its proper divisors (19634597300311).

726480100110101 is a wasteful number, since it uses less digits than its factorization.

726480100110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19634597300310.

The product of its (nonzero) digits is 2688, while the sum is 32.

Adding to 726480100110101 its reverse (101011001084627), we get a palindrome (827491101194728).

The spelling of 726480100110101 in words is "seven hundred twenty-six trillion, four hundred eighty billion, one hundred million, one hundred ten thousand, one hundred one".