11859280513 has 2 divisors, whose sum is σ = 11859280514. Its totient is φ = 11859280512.

The previous prime is 11859280507. The next prime is 11859280541. The reversal of 11859280513 is 31508295811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10839308544 + 1019971969 = 104112^2 + 31937^2 .

It is a cyclic number.

It is not a de Polignac number, because 11859280513 - 2¹⁷ = 11859149441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11859280513.

It is not a weakly prime, because it can be changed into another prime (11859280613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5929640256 + 5929640257.

It is an arithmetic number, because the mean of its divisors is an integer number (5929640257).

Almost surely, 2^11859280513 is an apocalyptic number.

It is an amenable number.

11859280513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11859280513 is an equidigital number, since it uses as much as digits as its factorization.

11859280513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 43.

The spelling of 11859280513 in words is "eleven billion, eight hundred fifty-nine million, two hundred eighty thousand, five hundred thirteen".