11617886747 has 2 divisors, whose sum is σ = 11617886748. Its totient is φ = 11617886746.

The previous prime is 11617886723. The next prime is 11617886773. The reversal of 11617886747 is 74768871611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11617886747 - 2¹² = 11617882651 is a prime.

It is a super-2 number, since 2×11617886747² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11617886692 and 11617886701.

It is not a weakly prime, because it can be changed into another prime (11617886947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808943373 + 5808943374.

It is an arithmetic number, because the mean of its divisors is an integer number (5808943374).

Almost surely, 2^11617886747 is an apocalyptic number.

11617886747 is a deficient number, since it is larger than the sum of its proper divisors (1).

11617886747 is an equidigital number, since it uses as much as digits as its factorization.

11617886747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3161088, while the sum is 56.

The spelling of 11617886747 in words is "eleven billion, six hundred seventeen million, eight hundred eighty-six thousand, seven hundred forty-seven".