116505550551 has 16 divisors (see below), whose sum is σ = 167296618496. Its totient is φ = 71692896096.

The previous prime is 116505550517. The next prime is 116505550559. The reversal of 116505550551 is 155055505611.

It is not a de Polignac number, because 116505550551 - 2³¹ = 114358066903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116505550559) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1400346 + ... + 1481208.

It is an arithmetic number, because the mean of its divisors is an integer number (10456038656).

Almost surely, 2^116505550551 is an apocalyptic number.

116505550551 is a deficient number, since it is larger than the sum of its proper divisors (50791067945).

116505550551 is a wasteful number, since it uses less digits than its factorization.

116505550551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117822.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 116505550551 in words is "one hundred sixteen billion, five hundred five million, five hundred fifty thousand, five hundred fifty-one".