11953061 has 2 divisors, whose sum is σ = 11953062. Its totient is φ = 11953060.

The previous prime is 11953043. The next prime is 11953103. The reversal of 11953061 is 16035911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10764961 + 1188100 = 3281^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 11953061 - 2¹⁴ = 11936677 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11953061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11953021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5976530 + 5976531.

It is an arithmetic number, because the mean of its divisors is an integer number (5976531).

Almost surely, 2^11953061 is an apocalyptic number.

It is an amenable number.

11953061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11953061 is an equidigital number, since it uses as much as digits as its factorization.

11953061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 11953061 is about 3457.3199157729. The cubic root of 11953061 is about 228.6439487707.

Adding to 11953061 its reverse (16035911), we get a palindrome (27988972).

The spelling of 11953061 in words is "eleven million, nine hundred fifty-three thousand, sixty-one".