11531059 has 2 divisors, whose sum is σ = 11531060. Its totient is φ = 11531058.

The previous prime is 11531041. The next prime is 11531099. The reversal of 11531059 is 95013511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11531059 - 2⁷ = 11530931 is a prime.

It is a super-2 number, since 2×11531059² = 265930643322962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11531029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765529 + 5765530.

It is an arithmetic number, because the mean of its divisors is an integer number (5765530).

Almost surely, 2^11531059 is an apocalyptic number.

11531059 is a deficient number, since it is larger than the sum of its proper divisors (1).

11531059 is an equidigital number, since it uses as much as digits as its factorization.

11531059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 11531059 is about 3395.7413034564. The cubic root of 11531059 is about 225.9208940777.

The spelling of 11531059 in words is "eleven million, five hundred thirty-one thousand, fifty-nine".