11562155461 has 2 divisors, whose sum is σ = 11562155462. Its totient is φ = 11562155460.

The previous prime is 11562155441. The next prime is 11562155471. The reversal of 11562155461 is 16455126511.

11562155461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9588130561 + 1974024900 = 97919^2 + 44430^2 .

It is a cyclic number.

It is not a de Polignac number, because 11562155461 - 2¹¹ = 11562153413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11562155461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11562155401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5781077730 + 5781077731.

It is an arithmetic number, because the mean of its divisors is an integer number (5781077731).

Almost surely, 2^11562155461 is an apocalyptic number.

It is an amenable number.

11562155461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11562155461 is an equidigital number, since it uses as much as digits as its factorization.

11562155461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 37.

The spelling of 11562155461 in words is "eleven billion, five hundred sixty-two million, one hundred fifty-five thousand, four hundred sixty-one".