726510320361113 has 4 divisors (see below), whose sum is σ = 726510464177460. Its totient is φ = 726510176544768.

The previous prime is 726510320361103. The next prime is 726510320361157. The reversal of 726510320361113 is 311163023015627.

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 359149004805529 + 367361315555584 = 18951227^2 + 19166672^2 .

It is a cyclic number.

It is not a de Polignac number, because 726510320361113 - 2⁸ = 726510320360857 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 (726510320361103) 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, 64044008 + ... + 74529561.

It is an arithmetic number, because the mean of its divisors is an integer number (181627616044365).

Almost surely, 2^{726510320361113} is an apocalyptic number.

It is an amenable number.

726510320361113 is a deficient number, since it is larger than the sum of its proper divisors (143816347).

726510320361113 is a wasteful number, since it uses less digits than its factorization.

726510320361113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143816346.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 726510320361113 in words is "seven hundred twenty-six trillion, five hundred ten billion, three hundred twenty million, three hundred sixty-one thousand, one hundred thirteen".