11859280501 has 2 divisors, whose sum is σ = 11859280502. Its totient is φ = 11859280500.

The previous prime is 11859280469. The next prime is 11859280507. The reversal of 11859280501 is 10508295811.

11859280501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6045218001 + 5814062500 = 77751^2 + 76250^2 .

It is a cyclic number.

It is not a de Polignac number, because 11859280501 - 2⁵ = 11859280469 is a prime.

It is a super-2 number, since 2×11859280501² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11859280507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5929640250 + 5929640251.

It is an arithmetic number, because the mean of its divisors is an integer number (5929640251).

Almost surely, 2^11859280501 is an apocalyptic number.

It is an amenable number.

11859280501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11859280501 is an equidigital number, since it uses as much as digits as its factorization.

11859280501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 40.

The spelling of 11859280501 in words is "eleven billion, eight hundred fifty-nine million, two hundred eighty thousand, five hundred one".