151115625 has 72 divisors (see below), whose sum is σ = 284356800. Its totient is φ = 80190000.

The previous prime is 151115623. The next prime is 151115677. The reversal of 151115625 is 526511151.

151115625 is a `hidden beast` number, since 15 + 11 + 15 + 625 = 666.

It is not a de Polignac number, because 151115625 - 2¹ = 151115623 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (151115623) 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 71 ways as a sum of consecutive naturals, for example, 759276 + ... + 759474.

It is an arithmetic number, because the mean of its divisors is an integer number (3949400).

Almost surely, 2^151115625 is an apocalyptic number.

151115625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151115625 is a deficient number, since it is larger than the sum of its proper divisors (133241175).

151115625 is an frugal number, since it uses more digits than its factorization.

151115625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 207 counting only the distinct ones).

The product of its digits is 1500, while the sum is 27.

The square root of 151115625 is about 12292.9095416830. The cubic root of 151115625 is about 532.6432861780.

Adding to 151115625 its reverse (526511151), we get a palindrome (677626776).

It can be divided in two parts, 15111 and 5625, that added together give a 4-th power (20736 = 12⁴).

The spelling of 151115625 in words is "one hundred fifty-one million, one hundred fifteen thousand, six hundred twenty-five".