1011143304503 has 8 divisors (see below), whose sum is σ = 1053097863840. Its totient is φ = 969958553760.

The previous prime is 1011143304499. The next prime is 1011143304517. The reversal of 1011143304503 is 3054033411101.

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 1011143304503 - 2² = 1011143304499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011143303503) 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, 192449468 + ... + 192454721.

It is an arithmetic number, because the mean of its divisors is an integer number (131637232980).

Almost surely, 2^{1011143304503} is an apocalyptic number.

1011143304503 is a deficient number, since it is larger than the sum of its proper divisors (41954559337).

1011143304503 is an equidigital number, since it uses as much as digits as its factorization.

1011143304503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384904297.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1011143304503 its reverse (3054033411101), we get a palindrome (4065176715604).

The spelling of 1011143304503 in words is "one trillion, eleven billion, one hundred forty-three million, three hundred four thousand, five hundred three".