1103230640145 has 32 divisors (see below), whose sum is σ = 1824102935424. Its totient is φ = 569016000000.

The previous prime is 1103230640123. The next prime is 1103230640147. The reversal of 1103230640145 is 5410460323011.

It is not a de Polignac number, because 1103230640145 - 2¹⁸ = 1103230378001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1103230640147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8402356 + ... + 8532645.

It is an arithmetic number, because the mean of its divisors is an integer number (57003216732).

Almost surely, 2^{1103230640145} is an apocalyptic number.

1103230640145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1103230640145 is a deficient number, since it is larger than the sum of its proper divisors (720872295279).

1103230640145 is a wasteful number, since it uses less digits than its factorization.

1103230640145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16935153.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1103230640145 its reverse (5410460323011), we get a palindrome (6513690963156).

The spelling of 1103230640145 in words is "one trillion, one hundred three billion, two hundred thirty million, six hundred forty thousand, one hundred forty-five".