11897882671 has 2 divisors, whose sum is σ = 11897882672. Its totient is φ = 11897882670.

The previous prime is 11897882651. The next prime is 11897882699. The reversal of 11897882671 is 17628879811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11897882671 - 2⁹ = 11897882159 is a prime.

It is a super-2 number, since 2×11897882671² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11897882651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5948941335 + 5948941336.

It is an arithmetic number, because the mean of its divisors is an integer number (5948941336).

Almost surely, 2^11897882671 is an apocalyptic number.

11897882671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11897882671 is an equidigital number, since it uses as much as digits as its factorization.

11897882671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 58.

The spelling of 11897882671 in words is "eleven billion, eight hundred ninety-seven million, eight hundred eighty-two thousand, six hundred seventy-one".