1123103015005 has 16 divisors (see below), whose sum is σ = 1358394105600. Its totient is φ = 891396708160.

The previous prime is 1123103014967. The next prime is 1123103015009. The reversal of 1123103015005 is 5005103013211.

It is not a de Polignac number, because 1123103015005 - 2²⁷ = 1122968797277 is a prime.

It is a super-2 number, since 2×1123103015005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123103015009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425451 + ... + 2068360.

It is an arithmetic number, because the mean of its divisors is an integer number (84899631600).

Almost surely, 2^{1123103015005} is an apocalyptic number.

It is an amenable number.

1123103015005 is a deficient number, since it is larger than the sum of its proper divisors (235291090595).

1123103015005 is a wasteful number, since it uses less digits than its factorization.

1123103015005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494324.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 1123103015005 its reverse (5005103013211), we get a palindrome (6128206028216).

The spelling of 1123103015005 in words is "one trillion, one hundred twenty-three billion, one hundred three million, fifteen thousand, five".