11621383875097 has 2 divisors, whose sum is σ = 11621383875098. Its totient is φ = 11621383875096.

The previous prime is 11621383875047. The next prime is 11621383875109. The reversal of 11621383875097 is 79057838312611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11102250656016 + 519133219081 = 3332004^2 + 720509^2 .

It is a cyclic number.

It is not a de Polignac number, because 11621383875097 - 2¹⁹ = 11621383350809 is a prime.

It is not a weakly prime, because it can be changed into another prime (11621383875037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810691937548 + 5810691937549.

It is an arithmetic number, because the mean of its divisors is an integer number (5810691937549).

Almost surely, 2^{11621383875097} is an apocalyptic number.

It is an amenable number.

11621383875097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621383875097 is an equidigital number, since it uses as much as digits as its factorization.

11621383875097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 11621383875097 in words is "eleven trillion, six hundred twenty-one billion, three hundred eighty-three million, eight hundred seventy-five thousand, ninety-seven".