2003155240305 has 8 divisors (see below), whose sum is σ = 3205048384512. Its totient is φ = 1068349461488.

The previous prime is 2003155240297. The next prime is 2003155240309. The reversal of 2003155240305 is 5030425513002.

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 2003155240305 - 2³ = 2003155240297 is a prime.

It is a super-2 number, since 2×2003155240305² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2003155240309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66771841329 + ... + 66771841358.

It is an arithmetic number, because the mean of its divisors is an integer number (400631048064).

Almost surely, 2^{2003155240305} is an apocalyptic number.

It is an amenable number.

2003155240305 is a deficient number, since it is larger than the sum of its proper divisors (1201893144207).

2003155240305 is a wasteful number, since it uses less digits than its factorization.

2003155240305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133543682695.

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 2003155240305 in words is "two trillion, three billion, one hundred fifty-five million, two hundred forty thousand, three hundred five".