2115454503 has 8 divisors (see below), whose sum is σ = 2917868400. Its totient is φ = 1361671808.

The previous prime is 2115454493. The next prime is 2115454507. The reversal of 2115454503 is 3054545112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2115454503 - 2¹⁰ = 2115453479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115454507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12157698 + ... + 12157871.

It is an arithmetic number, because the mean of its divisors is an integer number (364733550).

Almost surely, 2^2115454503 is an apocalyptic number.

2115454503 is a deficient number, since it is larger than the sum of its proper divisors (802413897).

2115454503 is a wasteful number, since it uses less digits than its factorization.

2115454503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24315601.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2115454503 is about 45994.0703025944. The cubic root of 2115454503 is about 1283.7128734878.

Adding to 2115454503 its reverse (3054545112), we get a palindrome (5169999615).

It can be divided in two parts, 21154 and 54503, that added together give a palindrome (75657).

The spelling of 2115454503 in words is "two billion, one hundred fifteen million, four hundred fifty-four thousand, five hundred three".