116551505 has 32 divisors (see below), whose sum is σ = 165037824. Its totient is φ = 77366016.

The previous prime is 116551499. The next prime is 116551531. The reversal of 116551505 is 505155611.

It is a happy number.

It is not a de Polignac number, because 116551505 - 2⁴ = 116551489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153587 + ... + 154343.

It is an arithmetic number, because the mean of its divisors is an integer number (5157432).

Almost surely, 2^116551505 is an apocalyptic number.

It is an amenable number.

116551505 is a deficient number, since it is larger than the sum of its proper divisors (48486319).

116551505 is an equidigital number, since it uses as much as digits as its factorization.

116551505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 116551505 is about 10795.9022318656. The cubic root of 116551505 is about 488.4715736813.

The spelling of 116551505 in words is "one hundred sixteen million, five hundred fifty-one thousand, five hundred five".