11495889 has 6 divisors (see below), whose sum is σ = 16605186. Its totient is φ = 7663920.

The previous prime is 11495879. The next prime is 11495899. The reversal of 11495889 is 98859411.

It is an interprime number because it is at equal distance from previous prime (11495879) and next prime (11495899).

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 2585664 = 2985^2 + 1608^2 .

It is not a de Polignac number, because 11495889 - 2¹⁵ = 11463121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11495819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 638652 + ... + 638669.

It is an arithmetic number, because the mean of its divisors is an integer number (2767531).

Almost surely, 2^11495889 is an apocalyptic number.

It is an amenable number.

11495889 is a deficient number, since it is larger than the sum of its proper divisors (5109297).

11495889 is a wasteful number, since it uses less digits than its factorization.

11495889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277327 (or 1277324 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 11495889 is about 3390.5588035013. The cubic root of 11495889 is about 225.6909721574.

The spelling of 11495889 in words is "eleven million, four hundred ninety-five thousand, eight hundred eighty-nine".