116405247505 has 8 divisors (see below), whose sum is σ = 139824743400. Its totient is φ = 93031900416.

The previous prime is 116405247467. The next prime is 116405247509. The reversal of 116405247505 is 505742504611.

It can be written as a sum of positive squares in 4 ways, for example, as 14087790864 + 102317456641 = 118692^2 + 319871^2 .

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 116405247505 - 2¹¹ = 116405245457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116405247509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11531650 + ... + 11541739.

It is an arithmetic number, because the mean of its divisors is an integer number (17478092925).

Almost surely, 2^116405247505 is an apocalyptic number.

It is an amenable number.

116405247505 is a deficient number, since it is larger than the sum of its proper divisors (23419495895).

116405247505 is a wasteful number, since it uses less digits than its factorization.

116405247505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23074403.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 116405247505 in words is "one hundred sixteen billion, four hundred five million, two hundred forty-seven thousand, five hundred five".