151116505 has 8 divisors (see below), whose sum is σ = 181425600. Its totient is φ = 120836016.

The previous prime is 151116487. The next prime is 151116517. The reversal of 151116505 is 505611151.

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 151116505 - 2⁷ = 151116377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151116505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7036 + ... + 18754.

It is an arithmetic number, because the mean of its divisors is an integer number (22678200).

Almost surely, 2^151116505 is an apocalyptic number.

It is an amenable number.

151116505 is a deficient number, since it is larger than the sum of its proper divisors (30309095).

151116505 is a wasteful number, since it uses less digits than its factorization.

151116505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14303.

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 151116505 is about 12292.9453346218. The cubic root of 151116505 is about 532.6443200997.

Adding to 151116505 its reverse (505611151), we get a palindrome (656727656).

The spelling of 151116505 in words is "one hundred fifty-one million, one hundred sixteen thousand, five hundred five".