11475397513 has 2 divisors, whose sum is σ = 11475397514. Its totient is φ = 11475397512.

The previous prime is 11475397403. The next prime is 11475397519. The reversal of 11475397513 is 31579357411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10725294969 + 750102544 = 103563^2 + 27388^2 .

It is a cyclic number.

It is not a de Polignac number, because 11475397513 - 2²¹ = 11473300361 is a prime.

It is not a weakly prime, because it can be changed into another prime (11475397519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5737698756 + 5737698757.

It is an arithmetic number, because the mean of its divisors is an integer number (5737698757).

Almost surely, 2^11475397513 is an apocalyptic number.

It is an amenable number.

11475397513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11475397513 is an equidigital number, since it uses as much as digits as its factorization.

11475397513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 46.

The spelling of 11475397513 in words is "eleven billion, four hundred seventy-five million, three hundred ninety-seven thousand, five hundred thirteen".