151115115 has 16 divisors (see below), whose sum is σ = 247408128. Its totient is φ = 78720096.

The previous prime is 151115099. The next prime is 151115119. The reversal of 151115115 is 511511151.

It is not a de Polignac number, because 151115115 - 2⁴ = 151115099 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 151115091 and 151115100.

It is not an unprimeable number, because it can be changed into a prime (151115119) 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 15 ways as a sum of consecutive naturals, for example, 116499 + ... + 117788.

It is an arithmetic number, because the mean of its divisors is an integer number (15463008).

Almost surely, 2^151115115 is an apocalyptic number.

151115115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151115115 is a deficient number, since it is larger than the sum of its proper divisors (96293013).

151115115 is a wasteful number, since it uses less digits than its factorization.

151115115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234338.

The product of its digits is 125, while the sum is 21.

The square root of 151115115 is about 12292.8887980002. Note that the first 3 decimals coincide. The cubic root of 151115115 is about 532.6426869715.

Adding to 151115115 its reverse (511511151), we get a palindrome (662626266).

The spelling of 151115115 in words is "one hundred fifty-one million, one hundred fifteen thousand, one hundred fifteen".