726651113265 has 128 divisors (see below), whose sum is σ = 1695354163200. Its totient is φ = 286090859520.

The previous prime is 726651113179. The next prime is 726651113291. The reversal of 726651113265 is 562311156627.

726651113265 is a `hidden beast` number, since 7 + 2 + 66 + 511 + 13 + 2 + 65 = 666.

It is not a de Polignac number, because 726651113265 - 2⁷ = 726651113137 is a prime.

It is a super-4 number, since 4×726651113265⁴ (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 726651113265.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 1642072 + ... + 2037081.

It is an arithmetic number, because the mean of its divisors is an integer number (13244954400).

Almost surely, 2^726651113265 is an apocalyptic number.

It is an amenable number.

726651113265 is an abundant number, since it is smaller than the sum of its proper divisors (968703049935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726651113265 is a wasteful number, since it uses less digits than its factorization.

726651113265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679204 (or 3679198 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The spelling of 726651113265 in words is "seven hundred twenty-six billion, six hundred fifty-one million, one hundred thirteen thousand, two hundred sixty-five".