11621383875047 has 2 divisors, whose sum is σ = 11621383875048. Its totient is φ = 11621383875046.

The previous prime is 11621383875037. The next prime is 11621383875097. The reversal of 11621383875047 is 74057838312611.

11621383875047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11621383875047 - 2¹⁴ = 11621383858663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11621383874983 and 11621383875001.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810691937523 + 5810691937524.

It is an arithmetic number, because the mean of its divisors is an integer number (5810691937524).

Almost surely, 2^{11621383875047} is an apocalyptic number.

11621383875047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621383875047 is an equidigital number, since it uses as much as digits as its factorization.

11621383875047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 11621383875047 in words is "eleven trillion, six hundred twenty-one billion, three hundred eighty-three million, eight hundred seventy-five thousand, forty-seven".