11259901 has 2 divisors, whose sum is σ = 11259902. Its totient is φ = 11259900.

The previous prime is 11259889. The next prime is 11259907. The reversal of 11259901 is 10995211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11215801 + 44100 = 3349^2 + 210^2 .

It is an emirp because it is prime and its reverse (10995211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11259901 - 2⁵ = 11259869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11259901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11259907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5629950 + 5629951.

It is an arithmetic number, because the mean of its divisors is an integer number (5629951).

Almost surely, 2^11259901 is an apocalyptic number.

It is an amenable number.

11259901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11259901 is an equidigital number, since it uses as much as digits as its factorization.

11259901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 11259901 is about 3355.5775955862. The cubic root of 11259901 is about 224.1359519621.

It can be divided in two parts, 1125 and 9901, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 11259901 in words is "eleven million, two hundred fifty-nine thousand, nine hundred one".