151115503 has 16 divisors (see below), whose sum is σ = 190529280. Its totient is φ = 116424000.

The previous prime is 151115479. The next prime is 151115509. The reversal of 151115503 is 305511151.

It is a de Polignac number, because none of the positive numbers 2^k-151115503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151115509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4173 + ... + 17878.

It is an arithmetic number, because the mean of its divisors is an integer number (11908080).

Almost surely, 2^151115503 is an apocalyptic number.

151115503 is a deficient number, since it is larger than the sum of its proper divisors (39413777).

151115503 is a wasteful number, since it uses less digits than its factorization.

151115503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22158.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 151115503 is about 12292.9045794719. The cubic root of 151115503 is about 532.6431428385.

Adding to 151115503 its reverse (305511151), we get a palindrome (456626654).

The spelling of 151115503 in words is "one hundred fifty-one million, one hundred fifteen thousand, five hundred three".