151503113 has 4 divisors (see below), whose sum is σ = 151628820. Its totient is φ = 151377408.

The previous prime is 151503109. The next prime is 151503151. The reversal of 151503113 is 311305151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311305151 = 347 ⋅897133.

It can be written as a sum of positive squares in 2 ways, for example, as 30327049 + 121176064 = 5507^2 + 11008^2 .

It is a cyclic number.

It is not a de Polignac number, because 151503113 - 2² = 151503109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151503103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61028 + ... + 63461.

It is an arithmetic number, because the mean of its divisors is an integer number (37907205).

Almost surely, 2^151503113 is an apocalyptic number.

It is an amenable number.

151503113 is a deficient number, since it is larger than the sum of its proper divisors (125707).

151503113 is a wasteful number, since it uses less digits than its factorization.

151503113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125706.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 151503113 is about 12308.6600814223. The cubic root of 151503113 is about 533.0981624201.

Adding to 151503113 its reverse (311305151), we get a palindrome (462808264).

The spelling of 151503113 in words is "one hundred fifty-one million, five hundred three thousand, one hundred thirteen".