103405215503 has 8 divisors (see below), whose sum is σ = 106746846336. Its totient is φ = 100063958400.

The previous prime is 103405215491. The next prime is 103405215509. The reversal of 103405215503 is 305512504301.

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 103405215503 - 2⁸ = 103405215247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103405215509) 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, 536363 + ... + 703203.

It is an arithmetic number, because the mean of its divisors is an integer number (13343355792).

Almost surely, 2^103405215503 is an apocalyptic number.

103405215503 is a deficient number, since it is larger than the sum of its proper divisors (3341630833).

103405215503 is a wasteful number, since it uses less digits than its factorization.

103405215503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186865.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 103405215503 its reverse (305512504301), we get a palindrome (408917719804).

The spelling of 103405215503 in words is "one hundred three billion, four hundred five million, two hundred fifteen thousand, five hundred three".