151118747 has 4 divisors (see below), whose sum is σ = 162743280. Its totient is φ = 139494216.

The previous prime is 151118731. The next prime is 151118753. The reversal of 151118747 is 747811151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151118747 - 2⁴ = 151118731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151111747) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5812247 + ... + 5812272.

It is an arithmetic number, because the mean of its divisors is an integer number (40685820).

Almost surely, 2^151118747 is an apocalyptic number.

151118747 is a deficient number, since it is larger than the sum of its proper divisors (11624533).

151118747 is a wasteful number, since it uses less digits than its factorization.

151118747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624532.

The product of its digits is 7840, while the sum is 35.

The square root of 151118747 is about 12293.0365247973. The cubic root of 151118747 is about 532.6469542321.

Adding to 151118747 its reverse (747811151), we get a palindrome (898929898).

The spelling of 151118747 in words is "one hundred fifty-one million, one hundred eighteen thousand, seven hundred forty-seven".