116506505501 has 16 divisors (see below), whose sum is σ = 130780800000. Its totient is φ = 103247965440.

The previous prime is 116506505483. The next prime is 116506505527. The reversal of 116506505501 is 105505605611.

It is a cyclic number.

It is not a de Polignac number, because 116506505501 - 2¹⁴ = 116506489117 is a prime.

It is a super-2 number, since 2×116506505501² (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 (116506505701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2968001 + ... + 3006998.

It is an arithmetic number, because the mean of its divisors is an integer number (8173800000).

Almost surely, 2^116506505501 is an apocalyptic number.

It is an amenable number.

116506505501 is a deficient number, since it is larger than the sum of its proper divisors (14274294499).

116506505501 is a wasteful number, since it uses less digits than its factorization.

116506505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975084.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 116506505501 in words is "one hundred sixteen billion, five hundred six million, five hundred five thousand, five hundred one".