103155303505 has 8 divisors (see below), whose sum is σ = 124300002024. Its totient is φ = 82181817600.

The previous prime is 103155303487. The next prime is 103155303509. The reversal of 103155303505 is 505303551301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47559322561 + 55595980944 = 218081^2 + 235788^2 .

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

It is not a de Polignac number, because 103155303505 - 2⁵ = 103155303473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103155303509) 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, 42801826 + ... + 42804235.

It is an arithmetic number, because the mean of its divisors is an integer number (15537500253).

Almost surely, 2^103155303505 is an apocalyptic number.

It is an amenable number.

103155303505 is a deficient number, since it is larger than the sum of its proper divisors (21144698519).

103155303505 is an equidigital number, since it uses as much as digits as its factorization.

103155303505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85606307.

The product of its (nonzero) digits is 16875, while the sum is 31.

Adding to 103155303505 its reverse (505303551301), we get a palindrome (608458854806).

The spelling of 103155303505 in words is "one hundred three billion, one hundred fifty-five million, three hundred three thousand, five hundred five".