11629028161 has 2 divisors, whose sum is σ = 11629028162. Its totient is φ = 11629028160.

The previous prime is 11629028123. The next prime is 11629028197. The reversal of 11629028161 is 16182092611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10502150400 + 1126877761 = 102480^2 + 33569^2 .

It is an emirp because it is prime and its reverse (16182092611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11629028161 - 2²¹ = 11626931009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11629028161.

It is not a weakly prime, because it can be changed into another prime (11629028111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5814514080 + 5814514081.

It is an arithmetic number, because the mean of its divisors is an integer number (5814514081).

Almost surely, 2^11629028161 is an apocalyptic number.

It is an amenable number.

11629028161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11629028161 is an equidigital number, since it uses as much as digits as its factorization.

11629028161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 11629028161 in words is "eleven billion, six hundred twenty-nine million, twenty-eight thousand, one hundred sixty-one".