11851475459 has 2 divisors, whose sum is σ = 11851475460. Its totient is φ = 11851475458.

The previous prime is 11851475453. The next prime is 11851475509. The reversal of 11851475459 is 95457415811.

It is an a-pointer prime, because the next prime (11851475509) can be obtained adding 11851475459 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11851475459 - 2²⁴ = 11834698243 is a prime.

It is not a weakly prime, because it can be changed into another prime (11851475453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5925737729 + 5925737730.

It is an arithmetic number, because the mean of its divisors is an integer number (5925737730).

Almost surely, 2^11851475459 is an apocalyptic number.

11851475459 is a deficient number, since it is larger than the sum of its proper divisors (1).

11851475459 is an equidigital number, since it uses as much as digits as its factorization.

11851475459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 50.

The spelling of 11851475459 in words is "eleven billion, eight hundred fifty-one million, four hundred seventy-five thousand, four hundred fifty-nine".