11551369 has 2 divisors, whose sum is σ = 11551370. Its totient is φ = 11551368.

The previous prime is 11551357. The next prime is 11551409. The reversal of 11551369 is 96315511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 2064969 = 3080^2 + 1437^2 .

It is a cyclic number.

It is not a de Polignac number, because 11551369 - 2²¹ = 9454217 is a prime.

It is a super-2 number, since 2×11551369² = 266868251548322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11551369.

It is not a weakly prime, because it can be changed into another prime (11551469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775684 + 5775685.

It is an arithmetic number, because the mean of its divisors is an integer number (5775685).

Almost surely, 2^11551369 is an apocalyptic number.

It is an amenable number.

11551369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551369 is an equidigital number, since it uses as much as digits as its factorization.

11551369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 31.

The square root of 11551369 is about 3398.7304982890. The cubic root of 11551369 is about 226.0534566945.

The spelling of 11551369 in words is "eleven million, five hundred fifty-one thousand, three hundred sixty-nine".