1203011140453 has 4 divisors (see below), whose sum is σ = 1232352875628. Its totient is φ = 1173669405280.

The previous prime is 1203011140343. The next prime is 1203011140469. The reversal of 1203011140453 is 3540411103021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 638412186049 + 564598954404 = 799007^2 + 751398^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203011140453 - 2¹³ = 1203011132261 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 (1203011740453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14670867526 + ... + 14670867607.

It is an arithmetic number, because the mean of its divisors is an integer number (308088218907).

Almost surely, 2^{1203011140453} is an apocalyptic number.

It is an amenable number.

1203011140453 is a deficient number, since it is larger than the sum of its proper divisors (29341735175).

1203011140453 is an equidigital number, since it uses as much as digits as its factorization.

1203011140453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29341735174.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1203011140453 its reverse (3540411103021), we get a palindrome (4743422243474).

The spelling of 1203011140453 in words is "one trillion, two hundred three billion, eleven million, one hundred forty thousand, four hundred fifty-three".