117287241061 has 4 divisors (see below), whose sum is σ = 117790620012. Its totient is φ = 116783862112.

The previous prime is 117287241047. The next prime is 117287241107. The reversal of 117287241061 is 160142782711.

It is a happy number.

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 48640097025 + 68647144036 = 220545^2 + 262006^2 .

It is a cyclic number.

It is not a de Polignac number, because 117287241061 - 2¹³ = 117287232869 is a prime.

It is a super-2 number, since 2×117287241061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117287241031) 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, 251689126 + ... + 251689591.

It is an arithmetic number, because the mean of its divisors is an integer number (29447655003).

Almost surely, 2^117287241061 is an apocalyptic number.

It is an amenable number.

117287241061 is a deficient number, since it is larger than the sum of its proper divisors (503378951).

117287241061 is an equidigital number, since it uses as much as digits as its factorization.

117287241061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503378950.

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 117287241061 in words is "one hundred seventeen billion, two hundred eighty-seven million, two hundred forty-one thousand, sixty-one".