20151140003 has 4 divisors (see below), whose sum is σ = 20271805680. Its totient is φ = 20030474328.

The previous prime is 20151139933. The next prime is 20151140027. The reversal of 20151140003 is 30004115102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20151140003 - 2²⁰ = 20150091427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20151140033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60332588 + ... + 60332921.

It is an arithmetic number, because the mean of its divisors is an integer number (5067951420).

Almost surely, 2^20151140003 is an apocalyptic number.

20151140003 is a deficient number, since it is larger than the sum of its proper divisors (120665677).

20151140003 is a wasteful number, since it uses less digits than its factorization.

20151140003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120665676.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 20151140003 its reverse (30004115102), we get a palindrome (50155255105).

The spelling of 20151140003 in words is "twenty billion, one hundred fifty-one million, one hundred forty thousand, three".