11628602897 has 2 divisors, whose sum is σ = 11628602898. Its totient is φ = 11628602896.

The previous prime is 11628602893. The next prime is 11628602929. The reversal of 11628602897 is 79820682611.

It is a Cunningham number, because it is equal to 107836²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11628602896 + 1 = 107836^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 11628602897 - 2² = 11628602893 is a prime.

It is a super-2 number, since 2×11628602897² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11628602893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5814301448 + 5814301449.

It is an arithmetic number, because the mean of its divisors is an integer number (5814301449).

Almost surely, 2^11628602897 is an apocalyptic number.

It is an amenable number.

11628602897 is a deficient number, since it is larger than the sum of its proper divisors (1).

11628602897 is an equidigital number, since it uses as much as digits as its factorization.

11628602897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 11628602897 in words is "eleven billion, six hundred twenty-eight million, six hundred two thousand, eight hundred ninety-seven".