11403143537 has 2 divisors, whose sum is σ = 11403143538. Its totient is φ = 11403143536.

The previous prime is 11403143513. The next prime is 11403143561. The reversal of 11403143537 is 73534130411.

It is a balanced prime because it is at equal distance from previous prime (11403143513) and next prime (11403143561).

It can be written as a sum of positive squares in only one way, i.e., 10991215921 + 411927616 = 104839^2 + 20296^2 .

It is a cyclic number.

It is not a de Polignac number, because 11403143537 - 2⁸ = 11403143281 is a prime.

It is not a weakly prime, because it can be changed into another prime (11403146537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701571768 + 5701571769.

It is an arithmetic number, because the mean of its divisors is an integer number (5701571769).

Almost surely, 2^11403143537 is an apocalyptic number.

It is an amenable number.

11403143537 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403143537 is an equidigital number, since it uses as much as digits as its factorization.

11403143537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 11403143537 its reverse (73534130411), we get a palindrome (84937273948).

The spelling of 11403143537 in words is "eleven billion, four hundred three million, one hundred forty-three thousand, five hundred thirty-seven".