11847597904663 has 2 divisors, whose sum is σ = 11847597904664. Its totient is φ = 11847597904662.

The previous prime is 11847597904657. The next prime is 11847597904799. The reversal of 11847597904663 is 36640979574811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11847597904663 - 2⁵ = 11847597904631 is a prime.

It is a super-2 number, since 2×11847597904663² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11847597904592 and 11847597904601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11847597604663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5923798952331 + 5923798952332.

It is an arithmetic number, because the mean of its divisors is an integer number (5923798952332).

Almost surely, 2^{11847597904663} is an apocalyptic number.

11847597904663 is a deficient number, since it is larger than the sum of its proper divisors (1).

11847597904663 is an equidigital number, since it uses as much as digits as its factorization.

11847597904663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 274337280, while the sum is 70.

The spelling of 11847597904663 in words is "eleven trillion, eight hundred forty-seven billion, five hundred ninety-seven million, nine hundred four thousand, six hundred sixty-three".